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Chemistry tuition for CHIJ Katong Convent students
Live online Chemistry tuition for CHIJ Katong Convent students in secondary 3–4. Bring recent schoolwork and teacher feedback so our tutors can see where your child needs help and plan the lessons.
Secondary 3–4
Courses and years
Pure Chemistry
Years 3–4
Combined Science (Chemistry)
Years 3–4
Bring recent schoolwork and the current topic list so we can choose a suitable class.
Study guide · 01
Particles, bonding and structure: explain properties precisely
Pure Chemistry questions can ask students to connect a structure with an observable property. Identify the type of particles, how they are arranged and the forces or bonds relevant to the property. A statement about melting needs a different explanation from one about electrical conductivity, even when both questions concern the same substance.
For a simple molecular substance, distinguish the forces between molecules from the covalent bonds within each molecule. For an ionic substance, distinguish the strength of the lattice interactions from the ability of ions to move. Those distinctions prevent a correct term from being used in an incorrect explanation.
Compare two substances using the same property. Explain how each structure affects it, then describe the difference. Try the explanation aloud without notes. If you are unsure which particles or forces matter, review those first.
Study guide · 02
Chemical calculations: make each step follow the equation
Plan the calculation: convert the given quantity to moles, use the balanced equation’s mole ratio and convert to the quantity asked for. Label each substance so you can check you are comparing the right pair.
Check the conditions in the question. A gas-volume calculation needs the stated conditions or molar volume. A solution calculation needs consistent volume units. If the question supplies information about excess or limiting quantities, use it before deciding how much product can form. Select the method from the evidence given.
The task
5.0 g of calcium carbonate reacts completely with excess hydrochloric acid. Given Mr(CaCO₃) = 100 and a gas molar volume of 24 dm³/mol at the stated conditions, calculate the carbon dioxide volume. Equation: CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂.
Worked response
Amount of CaCO₃ = 5.0 ÷ 100 = 0.050 mol. The CaCO₃:CO₂ mole ratio is 1:1, so 0.050 mol of CO₂ forms. Volume = 0.050 × 24 = 1.2 dm³.
Convert the calcium carbonate mass to moles, then use the 1:1 ratio to find the carbon dioxide amount. The acid is in excess, so the calcium carbonate determines how much gas forms. Finally convert the gas amount to volume.
Study guide · 03
Connect reactions across acids, redox, energetics and rates
Reaction topics become more useful when the student can explain the same change in several ways. An acid reaction can be represented by an equation, identified through observations and used in a calculation. A redox question can ask how oxidation states or electron transfer establish what was oxidised and reduced. Keep the definition connected to the species in the question.
For energetics, track where energy is transferred and distinguish bond breaking from bond formation. For rate questions, identify the changed condition and explain its effect on relevant collisions. If a graph is supplied, distinguish a faster reaction from a larger final amount of product; they describe different features of the results.
The Periodic Table, organic chemistry and air-quality topics also need explanation and application. Use the official outcomes to choose appropriate examples. A named topic is a starting point for revision; the verbs in its outcomes indicate whether the student should recall, explain, calculate or interpret information.
Study guide · 04
Practical Chemistry: observations, data and evaluation
Practical preparation includes choosing a method, making careful observations, processing results and evaluating the conclusion. For qualitative analysis, keep the test, observation and inference as separate steps. A colour change or precipitate is an observation; the identification of a substance is the conclusion supported by it.
When evaluating an experiment, identify the actual source of uncertainty and explain how the proposed change addresses it. Repeating measurements helps examine consistency, but it does not automatically remove a systematic problem in the method. A useful improvement needs a specific reason linked to the apparatus, measurement or procedure.
We use apparatus diagrams, results and experiment questions to practise planning and data interpretation online. Bring practical feedback as well as theory papers. Hands-on apparatus work takes place through the school’s laboratory programme.
Study guide · 05
A revision sequence for Pure Chemistry in Sec 3–4
Review particles, structure, formulae and equations, then practise the calculations and reactions that use them. Use the twelve-topic syllabus to check coverage and try questions without notes to see what still needs work.
Within a topic, alternate explanation questions with calculations and data interpretation where the outcomes require them. Later, mix topics so that the student must choose the relevant idea. Review multiple-choice distractors by explaining why each alternative fails; for structured questions, check that each part of the task has been answered.
Before an assessment, practise timed sections and full papers. Note where you lose time and check the working remains clear. Tutors use those mistakes to plan lessons, followed by platform practice and spaced review. Share the subject code and examination year when arranging a trial.
Study guide · 01
Structured answers: separate an observation from an explanation
Check what the question asks for. An observation describes what is seen or measured. An explanation gives the chemical reason. A conclusion says what the results show. Answer that part directly.
Use precise language. “A gas is produced” identifies an observable change but does not name the gas. Naming a gas requires appropriate evidence or other information in the question. Where an equation is requested, confirm the substances and balance it before using its coefficients in later working.
The task
In a written experiment scenario, a gas is bubbled through limewater, which turns milky. State the observation and the conclusion supported by the test.
Worked response
Observation: The limewater turns milky. Conclusion: The gas contains carbon dioxide.
“Turns milky” is the observation. Carbon dioxide is the conclusion from that test. Keep the distinction when answering other qualitative-analysis questions.
Study guide · 02
Calculations and data questions: show a method that can be checked
Label the substance and quantity on every calculation line. Read any equation or data given before choosing a relationship. Convert units where required and show how the values connect to the unknown. Clear working makes it possible to identify whether an error began with chemistry, unit conversion or arithmetic.
For a graph or table, read the labels and units before interpreting the pattern. Describe a trend using the quantities involved, then use the relevant concept to explain it. A larger final value and a steeper initial gradient can mean different things. Give numerical evidence when the question asks for support from the results.
After checking a calculation, explain why you used those values. This helps you choose the information when another question gives it in a different order.
Your class
Lessons and practice, every week
Class registration for the 2027 school year is open.
Trial
$30 subsidised trial rate
A dedicated trial session at a different timeslot is offered at a subsidised rate of $30. We’ll help you explore the available options.
Class format
Live online
Weekly duration
1.5 hours
Levels
Secondary 3–4
Between lessons
Subject practice on the DeepThink platform
Practice is included as part of the classes.
Registration
2027 school year
Open now. Request a trial class and we will message you to confirm the level and schedule.
Meet your tutor
Try a Chemistry class
Class registration for the 2027 school year is open. Bring recent schoolwork to help us plan a useful first lesson.
About CHIJ Katong Convent
PSLE cut-off point for CHIJ Katong Convent
MOE publishes the PSLE score of the first and the last student posted into each school at each posting group. Below are CHIJ Katong Convent's figures for the 2026 Secondary 1 intake — the 2025 PSLE cohort. The last student's score is what is usually meant by the school's cut-off point.
| Posting group | Non-affiliated | Affiliated |
|---|---|---|
| Posting Group 3 | AL 11–14 | AL 12–20 |
| Posting Group 2 | AL 21–24 | AL 21–25 |
| Posting Group 1 | AL 26–30* | AL 25–28 |
* This posting group did not fill. MOE School Finder then reports the cut-off as AL 30 — the weakest score the school could have admitted — rather than the score of a student who was actually posted there.
Cut-off points move by a few points from year to year, and not every student who met the cut-off was posted here — some are tie-broken out. Read these as a guide to where a school sits, not as a threshold to clear.
Actual 2026 Secondary 1 intake, from MOE School Finder — last verified on 12 August 2026. MOE School Finder ↗
About CHIJ Katong Convent
CHIJ Katong Convent is a government-aided autonomous Catholic girls' secondary school in Marine Parade, Singapore.
School Overview
CHIJ Katong Convent (CHIJ KC) is a government-aided autonomous all-girls secondary school with roots going back to 1930, when the Sisters of the Infant Jesus established a small English primary school in a seaside bungalow along Marine Parade under Principal Sr. St. Theodora. By 1957, it had grown into a full secondary school, and it gained autonomous status as a Catholic institution in 1996. The school operates on a single-session model and is guided by a Christ-centred philosophy that emphasises truth, justice, freedom, and love. Its motto, "Simple in Virtue, Steadfast in Duty," reflects a focus on developing students who lead with integrity and compassion.
CHIJ KC is affiliated with CHIJ (Katong) Primary and Catholic Junior College, which provides priority admission considerations for students moving through these institutions. The school holds Enhanced Art Programme status, integrating specialised visual arts and design tracks into its curriculum alongside core academics.
Admission Process
Entry to CHIJ Katong Convent is through two main channels: the PSLE posting exercise and the Direct School Admission (DSA) scheme.
For the 2025 intake via the PSLE route, affiliated students (from CHIJ Katong Primary) required a score of 10 for Posting Group 3. Non-affiliated applicants had cut-off points of 21 for Posting Group 2 and 26 for Posting Group 1. These figures change from year to year based on demand and cohort performance.
The DSA scheme allows Primary 6 students to apply based on demonstrated talent before PSLE results are released. Applications are submitted through the MOE DSA portal, with the 2025 window running from 7 May to 3 June. No application fee is charged, and successful applicants commit to the school before sitting for PSLE. Talent categories include:
Performing Arts: Chinese Drama, Chinese Orchestra, Choir, Concert Band.
Sports and Games: Badminton, Bowling, Floorball, Netball, Track and Field.
Language and Humanities: Debating and Public Speaking, English Drama.
Visual Arts, Design and Media: Aligned with the Enhanced Art Programme.
CHIJ KC implements Full Subject-Based Banding (Full SBB), which allows students to take subjects at different levels suited to their strengths. The school offers O-Level tracks and does not run an Integrated Programme (IP). An open house is scheduled for 22 November 2025 from 9 a.m. to 12 p.m., and an E-Open House is also available for virtual exploration.
Curriculum and Academic Programme
The academic programme at CHIJ Katong Convent follows the national curriculum framework. Core subjects include English, Mathematics (Elementary and Additional), Sciences, and Humanities, with electives available in Art, Principles of Accounts, and mother tongue languages (Chinese, Malay, and Tamil — the last offered through external centres). Under Full SBB, students can take subjects across different bands to match their individual abilities, working towards the O-Level examinations.
The school has maintained a track record of strong O-Level outcomes. In 2024, graduates achieved results that secured places at junior colleges including Catholic Junior College. CHIJ KC has received the Sustained Achievement for Academic Value-Added award, and its alumnae include figures such as MP Fatimah Lateef and lawyer Jeannette Chong-Aruldoss.
Facilities and Co-Curricular Activities
The campus at Marine Terrace, where the school relocated in 1983, includes a hall block, six-storey classroom blocks fitted with learning technology, libraries, science and computer laboratories, a sports complex, and dedicated arts studios that support the Enhanced Art Programme. Recent improvements have focused on collaborative spaces designed to encourage group work and creativity.
Co-curricular activities (CCAs) are central to student development at CHIJ KC, with more than 20 options across four categories:
Sports: Badminton, Bowling, Floorball, Netball, Track and Field.
Performing Arts: Chinese Drama, Chinese Orchestra, Choir, Concert Band, English Drama, Modern Dance.
Clubs: Debating, Entrepreneurship, Heritage, Infocomm Technology (Media Production), Visual Arts.
Uniformed Groups: Girl Guides, National Civil Defence Cadet Corps (NCDCC).
CCA participation supports character building, leadership development, and community service through the LEAPS 2.0 framework. Students involved in Visual Arts benefit from a direct connection to the school's arts-focused identity.
Student Life and School Culture
Daily life at CHIJ KC is shaped by the school's Catholic ethos, centred on respect, empathy, and service to others. Morning assemblies incorporate reflective and mindful practices, and the overall environment is structured to balance academic rigour with pastoral care. Class sizes typically range from 30 to 40 students, and the school maintains supportive teacher-to-student ratios with dedicated pastoral programmes, including anti-bullying initiatives and access to counselling.
The school's vision, "A Caring School that Excels," is grounded in a mission rooted in Christian beliefs about the worth and dignity of every person. Character and Citizenship Education (CCE) is integrated across the curriculum, and CCAs contribute to character development through experiential learning and leadership opportunities under LEAPS 2.0.
For students transitioning from primary school, CHIJ KC provides a Secondary 1 orientation programme, parent engagement sessions, and mixed form classes under Full SBB to help them settle in. Affiliated students from CHIJ (Katong) Primary may find the transition smoother thanks to familiarity with the school's values and community.
Frequently Asked Questions about CHIJ Katong Convent
Is CHIJ Katong Convent a good school?
CHIJ Katong Convent is an autonomous government-aided all-girls secondary school that provides a holistic education through a range of academic subjects, co-curricular activities, and talent development opportunities such as the Enhanced Art Programme. The school focuses on character formation rooted in Christian values and supports students' academic and personal growth. Parents can visit the official school website for further details on programmes and achievements.
Is CHIJ Katong Convent a co-ed school?
No. CHIJ Katong Convent is an all-girls school that operates as a single-session government-aided autonomous institution.
Does Singapore officially rank secondary schools?
The Ministry of Education does not publish official rankings for secondary schools in Singapore, as the policy aims to reduce undue pressure on students and encourage holistic development. When evaluating schools, parents may wish to consider factors such as PSLE cut-off points, available programmes, school culture, and co-curricular offerings.
What are the PSLE cut-off points for CHIJ Katong Convent?
For the 2024 intake, non-affiliated cut-off points were: Posting Group 3 (10-13), Posting Group 2 (21-24), Posting Group 1 (26-30, noting the last admitted student scored better than 30 due to available vacancies). Affiliated cut-off points were: Posting Group 3 (13-20), Posting Group 2 (21-25), Posting Group 1 (25-28). These figures vary each year depending on PSLE results and available places.
What is the history of CHIJ Katong Convent?
The school was founded in 1930 as a private English primary school housed in a seaside bungalow in Marine Parade. Over the following decades it expanded to include secondary classes and relocated to its present site at Marine Terrace in 1983 to accommodate upgraded facilities. Key milestones include gaining autonomous status and the addition of new building blocks in 2000 for expanded programmes and activities.
What is the mission and vision of CHIJ Katong Convent?
The school's vision is "A Caring School that Excels," reflecting its commitment to a safe, inclusive environment where every student is known and valued. Its mission, rooted in Christian beliefs about the worth and dignity of each person, calls for effort in promoting truth, justice, freedom, and love. Together, these guide the school's approach to character formation, academic achievement, and community service.
What CCAs are offered at CHIJ Katong Convent?
The school offers CCAs in several categories: sports (Badminton, Bowling, Floorball, Netball, Track and Field), performing arts (Choir, Concert Band, Chinese Orchestra, Modern Dance, Chinese Drama, English Drama), uniformed groups (Girl Guides, National Civil Defence Cadet Corps), and clubs (Debating and Public Speaking, Visual Arts, Heritage, Entrepreneurship, Infocomm Technology with Media Production, and Modular CCA in Sports). CCA involvement contributes to character and leadership development through the LEAPS 2.0 framework.
What subjects are offered at CHIJ Katong Convent for O-Levels?
The subject list includes English Language, Mathematics, Additional Mathematics, Chinese Language, Malay Language, Higher Chinese Language, Basic Chinese Language, Basic Malay Language, Literature in English, Geography, History, Humanities (Social Studies combined with Geography, History, or Literature in English), Principles of Accounts, Science (Chemistry, Biology), Biology, Chemistry, Physics, Art, Computer Applications, Elements of Business Skills, and Social Studies. Tamil Language students attend lessons at nearby centres.
Does CHIJ Katong Convent use Full Subject-Based Banding?
Yes. The school implements Full Subject-Based Banding (Full SBB), which replaced traditional streaming from the 2024 Secondary 1 cohort onward. Under Full SBB, students take subjects at levels that match their individual strengths, study in mixed form classes, and follow customised learning pathways.
How can students apply for Direct School Admission (DSA) to CHIJ Katong Convent?
Primary 6 students can apply through the MOE DSA-Sec portal based on demonstrated talent in areas such as arts, sports, or leadership. There is no application fee, and students who receive a confirmed offer commit to the school before their PSLE results are released. Specific talent categories and timelines are published on the school website each year.
Is CHIJ Katong Convent affiliated with a primary school?
Yes. The school is affiliated with CHIJ (Katong) Primary, which provides an affiliation bonus for eligible students during the Secondary 1 posting exercise. It is also affiliated with Catholic Junior College for post-secondary pathways.
What are the school fees for CHIJ Katong Convent?
As a government-aided school, fees for Singapore Citizens are generally low (around $5 per month in school fees plus miscellaneous charges). Permanent Residents pay a higher rate, and international students incur additional fees including GST. For current fee schedules, parents should contact the school directly.
What character development programmes does CHIJ Katong Convent offer?
Character and Citizenship Education (CCE) is delivered through an integrated approach covering values, social-emotional well-being, and citizenship. Co-curricular activities and the LEAPS 2.0 framework further support character building through experiential learning, leadership roles, and community service projects.
Does CHIJ Katong Convent offer an Integrated Programme?
No. The school does not offer an Integrated Programme that bypasses O-Levels. Students follow the Express or Normal pathways leading to O-Level or N-Level examinations, with additional opportunities through elective programmes such as the Enhanced Art Programme.
What leadership opportunities are available at CHIJ Katong Convent?
Students can develop leadership skills through uniformed groups such as Girl Guides and NCDCC, clubs like Entrepreneurship and Debating, and broader programmes under the LEAPS 2.0 framework. DSA talent categories may also include leadership. Details on specific leadership roles and programmes can be found on the school's CCA pages.
What is the Drama Elective Programme at CHIJ Katong Convent?
The school offers a Drama Elective Programme as part of its broader arts focus, building creativity, empathy, and communication skills. Students can participate through performing arts CCAs such as English Drama and Chinese Drama, which connect to the school's commitment to both visual and performing arts education.
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