Chemistry tuition for Bartley Secondary School students

Live online Chemistry tuition for Bartley Secondary School 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.

Original practice exampleFrom mass to gas volume

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.

Original practice exampleObservation and gas-test conclusion

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.

Class size

Maximum 4 students

Students are grouped by learning pace, not just by level — if no existing session matches your child’s pace, we open a new one.

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.

Frequently asked questions

Clear answers for parents

Which Chemistry courses do you teach?

Secondary 3–4: Pure Chemistry; Combined Science (Chemistry). We confirm your child’s course and subject level when arranging a trial.

How do you plan Chemistry lessons for Bartley Secondary School students?

We read a recent assignment, your child’s answer and teacher feedback to decide what to work on. Include the text or topic list and any marking criteria. After the trial request, we message you to confirm the school year, programme and lesson time.

How many students are in each class?

Four, at most. Students are grouped by learning pace, not just by year level, so each lesson moves at the speed of the students actually in it. When no session matches a child’s pace, we open a new one. In a class that size, every child answers questions, gets their working checked, and gets help the moment they need it.

How much does a dedicated trial session cost?

A dedicated trial session at a different timeslot is offered at a subsidised rate of $30. We’ll help you explore the available options.

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 Bartley Secondary School

PSLE cut-off point for Bartley Secondary School

MOE publishes the PSLE score of the first and the last student posted into each school at each posting group. Below are Bartley Secondary School'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 groupPSLE score range
Posting Group 3
AL 16–21
Posting Group 2
AL 22–25
Posting Group 1
AL 26–30*

* 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 Bartley Secondary School

Bartley Secondary School is a co-educational government secondary school in Singapore.

School Overview

Bartley Secondary School is a government co-educational institution that has been serving students since 1988. Situated in the Toa Payoh neighbourhood, the school operates on a single-session timetable and enrols students from a wide range of backgrounds. Its motto, "Noble in Character, Sound in Mind," reflects a dual commitment to intellectual growth and the development of strong personal values.

The school runs an Applied Learning Programme (ALP) in STEM, centred on Health and Food Science through Chemical and Applied Sciences, with a distinctive focus on fragrance science. This programme gives students the opportunity to explore the intersection of chemistry and creative product development through hands-on laboratory work. Bartley's Learning for Life Programme (LLP), known as i-LEAD @ Bartley, is built around Community Youth Leadership, encouraging students to take on service-oriented roles and develop as responsible members of their communities. The school does not have Special Assistance Plan (SAP) status and follows the standard MOE secondary curriculum under Full Subject-Based Banding (SBB).

Admission Process

Entry to Bartley Secondary School at Secondary 1 is through the annual S1 Posting Exercise, based on PSLE Achievement Level (AL) scores. The school has no formal affiliation with any primary school, so all applicants are assessed on equal terms.

Based on the 2024 intake, the indicative AL score ranges for non-affiliated students were: Posting Group 3 at 7 to 22, Posting Group 2 at 22 to 25, and Posting Group 1 at 25 to 29. These figures represent the score of the last student admitted in that cycle and may shift from year to year depending on cohort demand and PSLE performance.

Direct School Admission (DSA) is available for students with demonstrated ability in specific areas. DSA categories at Bartley include:

Academics: Chemical and Applied Sciences (Fragrance)

Leadership: Community Youth Leadership

Sports: Football, Basketball, Netball, Sepaktakraw, Table Tennis, Volleyball

Uniformed Groups: National Police Cadet Corps (NPCC), Red Cross Youth, National Cadet Corps (NCC)

Performing Arts: Choir, Guzheng Ensemble, Modern Dance, Concert Band

DSA applications are submitted through the MOE DSA portal, which typically opens around May each year. Parents considering DSA should prepare a portfolio that reflects their child's involvement and achievements in the relevant talent area. Open houses, usually held around May or June, provide an opportunity to visit the school and speak with staff before making a decision.

Bartley offers the four-year Express course leading to the GCE O-Level examinations, alongside Normal (Academic) and Normal (Technical) pathways. Under Full Subject-Based Banding, students may take individual subjects at a higher or lower level based on their PSLE performance and ongoing progress.

Curriculum and Academic Programme

Bartley Secondary School follows the national MOE curriculum. Core subjects include English Language, Mathematics (Elementary and Additional), Sciences (Biology, Chemistry, Physics), and Humanities (Social Studies combined with Geography or History). The school also offers elective subjects such as Principles of Accounts, Nutrition and Food Science, Mobile Robotics, Computer Applications, Design and Technology, Art, and Mother Tongue Languages including Higher Chinese and Syllabus B options.

The school's ALP in Health and Food Science integrates fragrance chemistry into practical laboratory sessions, giving students exposure to applied science beyond the standard syllabus. The i-LEAD programme complements academics by developing public speaking, project management, and community engagement skills through structured leadership opportunities.

In the 2024 GCE O-Level examinations, Bartley achieved a 100% pass rate in Pure Physics and Pure Chemistry, with 90% of students in its specialised science class passing Pure Biology. Students have also earned recognition in external competitions, including the UNSW Global Science Competition and the IgnITE Skills Challenge.

Facilities and Co-Curricular Activities

Bartley's campus features classrooms fitted with interactive technology, science laboratories designed for both standard practicals and fragrance-related experiments, computer labs supporting robotics and digital media work, a library, sports courts for basketball and volleyball, and dedicated spaces for dance and music activities.

Co-Curricular Activities (CCAs) are a core part of the Bartley experience and span four main categories:

Sports: Football, Basketball, Netball, Sepaktakraw, Table Tennis, Volleyball

Performing Arts: Choir, Guzheng Ensemble, Modern Dance, Concert Band

Uniformed Groups: National Police Cadet Corps (NPCC), Red Cross Youth, National Cadet Corps (NCC)

Clubs and Societies: Robotics, Debate, Infocomm (Media Production), Entrepreneurship

CCA participation supports character development, teamwork, and discipline. Students in sports and performing arts CCAs may also be eligible to apply to other secondary schools via DSA in future, based on achievements developed during their time at Bartley. Community service is integrated into the school programme through i-LEAD initiatives.

Student Life and School Culture

Bartley Secondary School places a strong emphasis on inclusivity and building resilience in its students. The school day typically begins at 7:30 AM with morning assemblies that incorporate values-based discussions. Class sizes generally range from 30 to 40 students, and pastoral care is provided through form teachers and a school counselling team.

The school maintains structured programmes to support student well-being, including peer mediation and counselling services aligned with MOE guidelines on mental health and social-emotional learning. Parents have described the school environment as welcoming and supportive, noting that students develop confidence and a sense of responsibility through the school's leadership and CCA programmes.

For families with children entering Secondary 1, establishing consistent study routines early can help with the transition to a more demanding academic workload. Participation in a CCA from the outset also helps students settle into school life and build friendships across classes.

Frequently Asked Questions about Bartley Secondary School

Bartley Secondary School is a government co-educational school that focuses on holistic development through its Applied Learning Programme in Health and Food Science and its Learning for Life Programme in Community Youth Leadership. It offers a range of academic subjects and CCAs designed to support both academic progress and personal growth. Parents considering the school are encouraged to attend open house events to determine whether it suits their child's interests and learning style.

Yes. Bartley Secondary School is a government co-educational school that enrols both boys and girls. It operates on a single-session basis.

The Ministry of Education does not publish an official ranking of secondary schools in Singapore. The system is oriented towards holistic education, and parents are encouraged to evaluate schools based on their programmes, culture, and fit for their child rather than aggregate ranking lists.

Based on the 2024 intake, the indicative Achievement Level (AL) score ranges for non-affiliated students were: Posting Group 3 at 7 to 22, Posting Group 2 at 22 to 25, and Posting Group 1 at 25 to 29. These scores reflect the last student admitted in the previous cycle and may vary each year depending on demand and PSLE results.

The school offers English Language, Mathematics, Additional Mathematics, Sciences (Biology, Chemistry, Physics), Humanities (Social Studies with Geography, History, or Literature in English), Art, Design and Technology, Nutrition and Food Science, Principles of Accounts, Mobile Robotics, Computer Applications, and Mother Tongue Languages (Chinese, Malay, Tamil). The Applied Learning Programme also covers Chemical and Applied Sciences with a focus on fragrance science.

Bartley offers CCAs across four categories. Sports include Football, Basketball, Netball, Sepaktakraw, Table Tennis, and Volleyball. Uniformed groups include the National Police Cadet Corps (NPCC), Red Cross Youth, and National Cadet Corps (NCC) with Air and Land divisions. Performing arts groups include Choir, Guzheng Ensemble, Modern Dance, and Concert Band. Clubs and societies include Design and Innovation, Entrepreneurship, Infocomm Technology, and Community Service.

As a government school, Bartley Secondary School follows the standard MOE fee schedule. Monthly fees differ based on whether the student is a Singapore citizen, permanent resident, or international student. Current fee details are available on the MOE website under the financial matters section.

Bartley's ALP focuses on STEM through Health and Food Science, with an emphasis on Chemical and Applied Sciences. Students participate in hands-on laboratory work related to fragrance science, developing practical skills and an understanding of how scientific principles apply in real-world product development.

The LLP at Bartley, called i-LEAD @ Bartley, is centred on Community Youth Leadership. It provides structured leadership development through service projects and school-wide initiatives, aiming to develop students who take initiative and contribute positively to their communities.

Parents can reach the school by phone at 6288 9013 or by email at [email protected]. Additional information is available on the school's official website.

No. Bartley Secondary School does not offer the Integrated Programme (IP). Students follow the standard secondary curriculum and sit for the GCE O-Level examinations. Under Full Subject-Based Banding, students can take individual subjects at different levels based on their strengths.

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Class registration for the 2027 school year is open.