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Chemistry tuition for Pei Hwa Secondary School students
Live online Chemistry tuition for Pei Hwa 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.
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
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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.
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Class registration for the 2027 school year is open. Bring recent schoolwork to help us plan a useful first lesson.
About Pei Hwa Secondary School
PSLE cut-off point for Pei Hwa Secondary School
MOE publishes the PSLE score of the first and the last student posted into each school at each posting group. Below are Pei Hwa 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 group | PSLE score range |
|---|---|
| Posting Group 3 | AL 7–14 |
| Posting Group 2 | AL 21–23 |
| Posting Group 1 | AL 25–27 |
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 Pei Hwa Secondary School
Pei Hwa Secondary School (PHSS) is a co-educational government-aided secondary school in Fernvale Link, Singapore within walking distance of Fernvale and Layar LRT stations. Re-established in 2005, Pei Hwa Secondary School was first founded in 1934 as Pei Hwa Public School.
Founded: 2005
School Overview
Pei Hwa Secondary School traces its roots to 1934, when it began as Pei Hwa Public School, a village institution along Yio Chu Kang Road established to serve the educational needs of local children. After closing in the 1990s due to demographic shifts in the area, the school was revived in 2005 through the efforts of the Pei Hwa Foundation, an alumni-led organisation. It was officially reopened on 28 July 2007 by then-Education Minister Tharman Shanmugaratnam and currently operates as a government co-educational school at 21 Fernvale Link, serving approximately 1,400 students in the Sengkang neighbourhood.
The school's motto, "Nurturing Talents," reflects its commitment to developing students who are resilient, diligent, and prepared to contribute meaningfully to society. Pei Hwa offers its Applied Learning Programme (ALP) in STEM, with a focus on robotics and programming, alongside a Learning for Life Programme (LLP) in Community Youth Leadership. Since 2020, the school has been part of the Full Subject-Based Banding (FSBB) pilot, allowing students to take individual subjects at different levels based on their aptitude rather than being placed in fixed academic streams. The school does not hold SAP or autonomous status and is not affiliated with any primary school.
Admission Process
Admission to Pei Hwa Secondary School at Secondary 1 follows two main pathways: the PSLE posting exercise and the Direct School Admission (DSA) scheme.
For the 2025 intake based on 2024 PSLE results, the indicative cut-off points for non-affiliated students were: Posting Group 3 at 7 to 14, Posting Group 2 at 21 to 22, and Posting Group 1 at 25 to 26. As the school has no primary school affiliation, most places are allocated through the open posting exercise. These figures represent the scores of the last students admitted in that cycle and may shift annually.
Through the DSA scheme, students with demonstrated ability in areas such as sports (badminton, football), performing arts (guzheng, modern dance), leadership, or academics (including robotics) may apply for a place before PSLE results are released. Selection typically involves trials, portfolio reviews, or interviews, and the application window usually opens between May and June, with a deadline around July.
Pei Hwa follows the O-Level track and does not offer an Integrated Programme, making it suitable for families seeking a structured secondary pathway leading to junior college, polytechnic, or ITE. Parents considering the school may find it helpful to attend open house events, which are usually held between April and May and provide an opportunity to tour the campus, speak with teachers, and learn about the school's programmes firsthand.
Curriculum and Academic Programme
Pei Hwa's curriculum follows the national framework with added flexibility through Full Subject-Based Banding, which allows students to take subjects at G1, G2, or G3 levels from Secondary 1 onwards. Core subjects include English, Mathematics (Elementary and Additional Mathematics at upper secondary), Sciences (with pure options such as Chemistry/Biology or Physics/Chemistry), and Humanities (Social Studies combined with Geography, History, or Literature). Elective offerings include Computing, Principles of Accounts, Nutrition and Food Science, Higher Chinese, and Design and Technology. Language support is available through Basic Chinese/Malay, Syllabus B options, and off-site Tamil classes.
The school's ALP in Coding and Making integrates STEM skills into the broader curriculum, giving students practical experience with robotics and programming that complements their work in mathematics and the sciences. The Future Leader Programme incorporates bilingual elements, particularly in Chinese, to prepare students for an interconnected world. Pei Hwa has received recognition for its teaching approaches, including an MOE Innergy Award (Bronze, 2019).
Facilities and Co-Curricular Activities
Pei Hwa's campus features air-conditioned smart classrooms, dedicated robotics and computing laboratories, a media resource library, science laboratories, and arts studios. Sports facilities include multi-purpose courts, a fitness area, and open fields for team activities.
The school offers more than 20 CCAs across four categories:
Sports: Badminton, Basketball (Boys), Football (Boys), Floorball (Girls), Table Tennis, Taekwondo, Wushu (Girls), Outdoor Adventure.
Uniformed Groups: National Police Cadet Corps (NPCC), National Cadet Corps (NCC Land), National Civil Defence Cadet Corps (NCDCC).
Performing Arts: Choir, Guzheng Ensemble, Modern Dance, Concert Band.
Clubs and Societies: Art and Crafts, Robotics, Speech and Drama, Infocomm (Media Production), Journalism, Student Council.
CCA participation is tied to character development and leadership growth, with the Student Council and the LLP providing structured opportunities for students to take on responsibility and contribute to the wider community. Several CCAs, including Robotics and sports teams, also serve as entry points for prospective students applying through the DSA scheme.
Student Life and School Culture
Pei Hwa cultivates a school culture centred on resilience, inclusivity, and a strong sense of community. Class sizes are typically between 35 and 40 students, and pastoral care is provided through form teachers, a counselling team, anti-bullying programmes, and Special Educational Needs support officers.
Daily routines begin with assemblies that reinforce the school's core values of diligence and integrity. Regular STEM-focused sessions, such as hands-on maker activities, are woven into the weekly schedule to keep learning engaging and practical. Cultural events and community projects organised through the LLP help students develop empathy and social awareness.
The school provides counselling services, peer support structures, and resilience-building programmes in line with MOE guidelines. For students transitioning from primary school, establishing a consistent homework routine, joining a CCA early to build friendships, and maintaining open communication with form teachers about workload can help ease the adjustment to secondary school life.
Frequently Asked Questions about Pei Hwa Secondary School
Is Pei Hwa Secondary School a good school?
Pei Hwa Secondary School is a government co-educational institution focused on developing future-ready learners through its Applied Learning Programme in STEM and its Learning for Life Programme in Community Youth Leadership. It offers a flexible curriculum through subject-based banding, a wide range of CCAs, and pathways to the O-Levels. Parents considering the school should visit during an open house to determine whether its programmes and culture are a good fit for their child.
Is Pei Hwa Secondary School a co-educational school?
Yes. Pei Hwa Secondary School is a co-educational school that enrols both boys and girls in a single-session format.
Does Singapore officially rank secondary schools?
No. The Ministry of Education does not publish official rankings of secondary schools. This policy is intended to encourage a holistic view of education rather than comparisons based solely on academic results.
What are the PSLE cut-off points for Pei Hwa Secondary School?
Based on the 2024 PSLE intake, the indicative cut-off points for non-affiliated students were: Posting Group 3 at 7 to 14, Posting Group 2 at 21 to 22, and Posting Group 1 at 25 to 26. These figures represent the scores of the last students admitted in that cycle and may vary from year to year. The MOE SchoolFinder provides the most current data after each posting exercise.
What O-Level subjects does Pei Hwa Secondary School offer?
The school offers a broad range of O-Level subjects including Additional Mathematics, Biology, Chemistry, Physics, Computing, Literature in English, Geography, History, Principles of Accounts, Nutrition and Food Science, Design and Technology, Higher Chinese Language, and combined sciences such as Science (Chemistry, Biology) and Science (Physics, Chemistry). Subject-based banding allows students to take subjects at different levels according to their strengths.
What CCAs are available at Pei Hwa Secondary School?
The school offers more than 20 CCAs across four categories. Sports options include Badminton, Basketball, Football, Table Tennis, Taekwondo, Wushu, Floorball, and Outdoor Adventure. Uniformed groups include NPCC, NCC (Land), and NCDCC. Performing arts groups include Choir, Guzheng Ensemble, Modern Dance, and Concert Band. Clubs and societies include Art and Crafts, Robotics, Speech and Drama, Infocomm Technology, Journalism, and Student Council.
Is Pei Hwa Secondary School affiliated with any primary school?
No. Pei Hwa Secondary School does not have an affiliation with any primary school, so there is no affiliation bonus during the PSLE posting exercise. All admissions are based on PSLE scores or through the DSA scheme.
What are the school hours at Pei Hwa Secondary School?
The school runs on a single-session schedule from Monday to Friday, with the day typically beginning at 8:00 am and ending by 5:00 pm. This timetable accommodates both academic lessons and co-curricular activities.
What are the school fees at Pei Hwa Secondary School?
As a government school, monthly fees for Singapore Citizens are approximately $25 (including miscellaneous fees). Permanent Residents pay between $580 and $700 per month, while International Students from ASEAN countries pay between $991.80 and $1,111.80 per month. Fees for non-ASEAN international students are higher. The MOE fees page provides exact figures by nationality and residency status.
What is the Applied Learning Programme at Pei Hwa Secondary School?
The school's ALP centres on STEM and Emerging Technologies, specifically Coding and Making. It provides students with hands-on opportunities to develop skills in innovation and problem-solving, with practical applications integrated into the broader curriculum.
What is the Learning for Life Programme at Pei Hwa Secondary School?
The LLP at Pei Hwa focuses on Community Youth Leadership. It develops students as leaders, contributors, and changemakers through structured community service projects and leadership initiatives that support character education.
When was Pei Hwa Secondary School established?
The current school was established in January 2005 and officially opened on 28 July 2007. It continues the legacy of the original Pei Hwa Public School, which was founded in 1934 and served the Yio Chu Kang community before closing in the 1990s.
What is the vision and mission of Pei Hwa Secondary School?
Pei Hwa Secondary School aims to nurture future-ready learners and forward-looking leaders within a vibrant school environment. Its mission centres on inspiring students through innovation, values-based education, and holistic development across academic, social, and personal dimensions.
What post-secondary pathways does Pei Hwa Secondary School support?
The school prepares students for the GCE O-Level examinations, which open pathways to junior colleges, polytechnics, or the Institute of Technical Education. Guidance on subject combinations, career planning, and post-secondary options is provided through the school's programmes.
What alumni networks are there at Pei Hwa Secondary School?
The school maintains connections with its alumni community through the Pei Hwa Foundation, which supports current students through initiatives such as the Pei Hwa Foundation Scholarship for outstanding graduates. Alumni are encouraged to contribute to the school and stay engaged with its community.
What is the Innovative Changemakers Programme at Pei Hwa Secondary School?
This programme uses emerging technologies to encourage innovation among students. Participants engage in competitions and project-based activities designed to develop creative problem-solving skills, and the programme complements the school's ALP in STEM.
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