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.
Chemistry tuition for Nan Chiau High School students
Live online Chemistry tuition for Nan Chiau High 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
$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 Nan Chiau High School
PSLE cut-off point for Nan Chiau High School
MOE publishes the PSLE score of the first and the last student posted into each school at each posting group. Below are Nan Chiau High 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 4–11Higher Chinese Merit |
Higher Chinese Language grades are published for Special Assistance Plan schools, which use them as an admission tie-break. Where a grade is missing, that student did not take or did not pass Higher Chinese.
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 Nan Chiau High School
Nan Chiau High School (NCHS) is a co-educational government-aided institution in Sengkang, Singapore affiliated to the Singapore Hokkien Huay Kuan. It offers the G3 course only, for secondary education.
School Overview
Nan Chiau High School has its origins in 1947, when it was set up by the noted philanthropist Tan Kah Kee as part of his broader commitment to making education accessible in post-war Singapore. The institution grew out of a teachers' training college that Tan had started in 1941. Today, it operates as a government-aided, co-educational secondary school under the Special Assistance Plan (SAP), serving students who demonstrate strength in both English and Chinese. The school's motto, "Sincerity & Perseverance" (诚·毅), draws directly from Tan Kah Kee's belief in dedication and moral integrity.
As a SAP school, Nan Chiau High places particular emphasis on bilingual and bicultural education, and it serves as the North Zone Centre of Excellence for Chinese Language. The school offers the Language Elective Programme (Chinese), giving students the opportunity to deepen their engagement with the Chinese language and its literary traditions. Its Applied Learning Programme (ALP) focuses on STEM and Emerging Technologies, while the Learning for Life Programme (LLP) centres on Music and Performing Arts under the banner "heARTS". The school also runs the Enhanced Art Programme for students with strong visual arts ability.
Admission Process
Students enter Nan Chiau High School primarily through the PSLE posting exercise or the Direct School Admission (DSA) scheme. Based on the 2025 intake, the indicative PSLE cut-off point for non-affiliated students in Posting Group 3 was 5(D) to 10, where (D) indicates a Distinction in Higher Chinese Language — a reflection of the school's SAP status and bilingual emphasis. Students from Nan Chiau Primary School, as an affiliated feeder school, receive priority consideration in Posting Group 1.
The DSA exercise is open to Primary 6 students with demonstrated talent in specific areas. Nan Chiau High accepts DSA applications in the following categories: Bilingualism (boys and girls), Chinese Dance (girls), Leadership (boys and girls), and Wushu (boys and girls). Applications are submitted through the MOE DSA-Sec portal, which typically opens around May to June each year.
Nan Chiau High follows the O-Level track and does not offer the Integrated Programme (IP). Under Full Subject-Based Banding (SBB), students can take individual subjects at different levels based on their aptitude, replacing the older Express and Normal Academic streams with a more flexible structure.
Curriculum and Academic Programme
The academic programme at Nan Chiau High covers the standard national curriculum, with core subjects including English Language, Mathematics (Elementary and Additional), the Sciences (Biology, Chemistry, Physics), and Humanities (Social Studies, Geography, History). Students also have access to electives such as Higher Chinese Language, Literature in Chinese and English, Higher Music, Puppetry, and Malay Language under a special programme. Full Subject-Based Banding allows students to take subjects at G1, G2, or G3 levels according to their individual strengths.
The school has maintained strong academic outcomes. In the 2024 GCE O-Level examinations, students performed well across Mathematics, the Sciences, and bilingual subjects. Nan Chiau High has also earned recognition through the Singapore Youth Festival (SYF) with awards for its performing arts groups, including Gold for Chinese Orchestra, and Distinction-level results for Visual Arts. The ALP in Emerging Technologies supports students in developing competencies in robotics, coding, and applied science, while the bilingual programmes provide a foundation for further studies at junior colleges and polytechnics.
Facilities and Co-Curricular Activities
Nan Chiau High's campus includes smart classrooms fitted with interactive technology, well-equipped science and computer laboratories, a library, and sports facilities including basketball courts and a running track. The school also has dedicated art studios supporting the Enhanced Art Programme and innovation spaces used for robotics and STEM-related activities.
Co-Curricular Activities (CCAs) are an integral part of student life. The school offers the following:
Sports: Basketball (boys and girls), Track and Field, Wushu.
Performing Arts: Chinese Orchestra, Choir, Chinese Dance, Modern Dance, Concert Band, Chinese Drama, English Drama.
Uniformed Groups: National Police Cadet Corps (NPCC), Red Cross Youth, National Cadet Corps (NCC) Land.
Clubs and Societies: Robotics, Infocomm Technology, Environmental Science, Debating and Public Speaking, Chinese Calligraphy, Art and Crafts.
Leadership and Service: Student Council, Audio Visual Aid.
CCA participation contributes to character development and can also support DSA applications to junior colleges and other post-secondary institutions.
Student Life and School Culture
School culture at Nan Chiau High is shaped by the values of sincerity and perseverance, with an emphasis on both academic rigour and personal growth. Class sizes are typically between 30 and 40 students, and pastoral care is provided through form teachers and a counselling team. The school runs programmes addressing student well-being, including anti-bullying initiatives and resilience-building activities grounded in MOE's Character and Citizenship Education framework.
As a SAP school, Nan Chiau High fosters a bicultural environment through events such as cultural festivals, Chinese language and arts activities, and inter-school collaborations. Students transitioning from primary school are supported through the Secondary 1 orientation programme, which helps them adjust to the pace of secondary education and form connections with their new classmates and teachers.
Frequently Asked Questions about Nan Chiau High School
Is Nan Chiau High School a good school?
Nan Chiau High School is a government-aided SAP school with a well-established bilingual curriculum, active co-curricular programmes, and consistent academic results at the O-Level examinations. It also offers specialised tracks in STEM, performing arts, and visual arts. Whether it is the right fit depends on the individual student's strengths and interest in bilingual education.
Is Nan Chiau High School a co-educational school?
Yes. Nan Chiau High School admits both boys and girls. It operates as a single-session, government-aided school under the Special Assistance Plan.
Does Singapore officially rank secondary schools?
No. The Ministry of Education does not publish official rankings of secondary schools. Schools are assessed based on their programmes, academic outcomes, and cut-off points rather than a competitive league table.
What is the PSLE cut-off point for Nan Chiau High School?
For the 2025 intake, the indicative cut-off for non-affiliated students in Posting Group 3 was 5(D) to 10, where (D) denotes a Distinction in Higher Chinese Language. These figures represent the score of the last admitted student and may change each year. The latest figures are published on MOE SchoolFinder after the Secondary 1 posting exercise.
What O-Level subjects does Nan Chiau High School offer?
The school offers core subjects including English Language, Elementary Mathematics, Additional Mathematics, Biology, Chemistry, Physics, Geography, History, and Social Studies. Elective options include Higher Chinese Language, Literature in English and Chinese, Higher Music, Puppetry, and Malay Language (Special Programme). Subject availability may vary by cohort.
What CCAs are available at Nan Chiau High School?
CCAs span four categories. Sports include Basketball, Track and Field, and Wushu. Performing Arts groups include Chinese Orchestra, Choir, Concert Band, Chinese Dance, Modern Dance, and Drama. Uniformed Groups include NPCC, Red Cross Youth, and NCC (Land). Clubs and Societies cover Robotics, Infocomm Technology, Environmental Science, Debating, Chinese Calligraphy, and Art and Crafts.
Is Nan Chiau High School a SAP school?
Yes. As a Special Assistance Plan school, Nan Chiau High promotes bilingualism and bicultural understanding. Students study Higher Chinese Language alongside the standard English-medium curriculum, with additional programmes in Chinese literature and cultural activities.
What signature programmes does Nan Chiau High School offer?
The school runs four main signature programmes: the Applied Learning Programme in STEM and Emerging Technologies, the Learning for Life Programme in Music and Performing Arts (heARTS), the Language Elective Programme (Chinese), and the Enhanced Art Programme.
How does Nan Chiau High School support character development?
Character development is woven into CCAs, the Learning for Life Programme, and Values-in-Action projects. Uniformed groups and leadership roles in the Student Council build discipline and responsibility, while performing arts and team sports develop collaboration and resilience.
What are the school fees for Nan Chiau High School?
As a government-aided school, fees depend on the student's citizenship status and eligibility for financial assistance. Detailed fee schedules and information about the MOE Financial Assistance Scheme are available on the MOE website.
Ready to start?
Try a trial class and see how DeepThink works
Experience our teaching approach and find a class that suits your child’s learning needs.
Class registration for the 2027 school year is open.