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Singapore Primary-to-Secondary School Affiliation

Affiliated primary pupils get priority for their linked secondary school's places — a measurable but modest advantage: MOE puts the average cut-off difference at about 7 points in Posting Group 3, 2 in PG2 and 1 in PG1, with 20% of places reserved for non-affiliated pupils. Ancourage Academy lists every verified affiliation below.

Compiled by Ancourage Academy and reviewed by Min Hui, Founder & Academic Director. The mechanism and each pair were verified against the source linked in the table; last retrieved 2026-06-14.

How affiliation priority works

It is a priority, not a separate exam
Affiliation still applies after Full Subject-Based Banding removed Express/Normal streaming (2024). Affiliated pupils are considered ahead of non-affiliated pupils for the school’s vacancies within the eligible Posting Group. (source)
The cut-off advantage is measurable but modest
MOE: “For Posting Group 3, the average difference [in cut-off between affiliates and non-affiliates] is about 7 points. For Posting Groups 2 and 1, the average difference is smaller, at 2 and 1 point respectively.” (source)
20% of places are reserved for non-affiliated pupils
MOE: “MOE required affiliated secondary schools to reserve 20% of places for non-affiliated students … from the 2019 Secondary 1 Posting Exercise.” So at most 80% of places go to affiliated pupils. (source)
It applies to the O-Level / SEC intake (Integrated Programme schools differ)
For a school that runs a 4-year (O-Level / SEC) track, the affiliation benefit is for that intake — SCGS, for example, states its “Affiliation benefit for admission … is valid for the SEC Programme only.” A few affiliated schools (such as Nanyang Girls’ High) run only the Integrated Programme; there, affiliated pupils enter through the school’s own IP admission, so check the specific school. (source)

Verified primary-to-secondary affiliations

Each row is tagged Verified (confirmed from the cited source — MOE, an official school page, or an encyclopedic reference) or Not affiliated (a commonly-assumed pair that a source confirms is not affiliated). Tap a primary school to open its source.

Singapore primary-to-secondary school affiliations with verification status
Primary schoolSecondary schoolStatusNote
Catholic High School (Primary Section)Catholic High School (Secondary)VerifiedFull school (primary + secondary sections), Bishan. Boys’. Joint IP with SNGS and SCGS feeds Eunoia JC.
CHIJ St. Nicholas Girls’ School (Primary)CHIJ St. Nicholas Girls’ School (Secondary)VerifiedFull school, Ang Mo Kio. Girls’. Joint IP with CHS and SCGS feeds Eunoia JC.
Singapore Chinese Girls’ Primary SchoolSingapore Chinese Girls’ School (Secondary)VerifiedAffiliation benefit is for the O-Level / SEC (SEC Programme) intake, not the IP. Joint IP with CHS and CHIJ St Nicholas feeds Eunoia JC.
Nanyang Primary SchoolNanyang Girls’ High SchoolVerifiedNanyang family. NYGH runs only the Integrated Programme (no 4-year O-Level / SEC track), so affiliated pupils enter via its IP admission — check NYGH’s criteria directly.
Maris Stella High School (Primary Section)Maris Stella High School (Secondary)VerifiedFull school. Boys’, SAP. Official FAQ: affiliated pupils are about 30–35% of the Sec 1 intake.
Anglo-Chinese School (Junior) & ACS (Primary)ACS (Barker Road) & ACS (Independent)VerifiedACS Methodist family — both ACS primaries feed both ACS secondaries with affiliation priority.
St. Gabriel’s Primary SchoolSt. Gabriel’s Secondary SchoolVerifiedGabrielite family — SGPS pupils get priority for admission.
CHIJ (Katong) PrimaryCHIJ Katong Convent (Secondary)VerifiedCHIJ family, East.
CHIJ Primary (Toa Payoh)CHIJ Secondary (Toa Payoh)VerifiedCHIJ family, Toa Payoh.
CHIJ Our Lady of the Nativity & CHIJ Our Lady of Good CounselCHIJ St. Joseph’s Convent (Secondary)VerifiedTwo different-named primaries feed one secondary (Hougang / Sengkang).
Methodist Girls’ School (Primary)Methodist Girls’ School (Secondary)VerifiedMGS full school (primary + secondary), girls’. Affiliated pupils admitted with priority.
Paya Lebar Methodist Girls’ School (Primary)Paya Lebar Methodist Girls’ School (Secondary)VerifiedPLMGS full school (primary + secondary), girls’, Hougang.
Fairfield Methodist School (Primary)Fairfield Methodist School (Secondary)VerifiedFairfield Methodist affiliated primary and secondary, Dover.
Geylang Methodist School (Primary)Geylang Methodist School (Secondary)VerifiedGeylang Methodist full school (primary + secondary).
Holy Innocents’ Primary SchoolHoly Innocents’ High SchoolVerifiedCatholic, Hougang. HIPS pupils get affiliation priority to Holy Innocents’ High.
Montfort Junior SchoolMontfort Secondary SchoolVerifiedGabrielite, boys’, Hougang. Montfort Junior feeds Montfort Secondary.
Kuo Chuan Presbyterian Primary SchoolKuo Chuan Presbyterian Secondary SchoolVerifiedPresbyterian family, Bishan. KCPPS pupils get affiliation priority to KCPSS (O-Level / SEC track).
Nan Hua Primary SchoolNan Hua High SchoolNot affiliatedCommonly assumed affiliated — shared heritage only, with no MOE S1 affiliation priority.
Sources: MOE plus each pair’s linked reference (school page or encyclopedic source), verified 2026-06-14. Affiliation gives priority within the eligible Posting Group, not a separate entry route. Per-school PSLE-Score cut-off numbers are deliberately not shown — they are year-variable; check MOE SchoolFinder for current figures.

Primary source: MOE & individual schools.

Commonly searched, not yet confirmed

These pairs are often assumed but we could not confirm them from an official source, so we do not list them as affiliated or not affiliated. Check the secondary school's “Affiliated schools” field on MOE SchoolFinder.

Download & cite this data

Download the affiliation list as CSV — every verified pair with its status and source. Confirm current affiliations on MOE SchoolFinder.

Cite as: Ancourage Academy, “Singapore Primary-to-Secondary School Affiliation” (MOE and school sources), last updated 2026-06-14. https://ancourage.academy/resources/secondary-school-affiliation

Common questions

Does affiliation give my child a lower PSLE cut-off?
It gives priority, not a separate exam: affiliated pupils are considered ahead of non-affiliated pupils for the school’s places within the same Posting Group. The advantage is measurable but modest — MOE puts the average cut-off difference at about 7 points in Posting Group 3, 2 points in PG2 and 1 point in PG1, and 20% of places are reserved for non-affiliated pupils.
Does affiliation still apply after Full Subject-Based Banding?
Yes. Full Subject-Based Banding removed Express/Normal streaming from 2024, but affiliation priority continues — it now operates inside the eligible Posting Group (PG1, PG2 or PG3) rather than the old streams. Posting is by PSLE Score, and affiliated pupils are ranked ahead of non-affiliated pupils competing for the same school.
Does affiliation apply to the Integrated Programme (IP)?
Usually not. For a school that runs a 4-year (O-Level / SEC) track, the affiliation benefit is for that intake — Singapore Chinese Girls’ School, for example, states its benefit is “valid for the SEC Programme only,” and the school’s IP admits through its own criteria, often DSA. The exception is a school that runs only the Integrated Programme, such as Nanyang Girls’ High, where affiliated pupils enter via the school’s IP admission. Check the specific school.
Is Ai Tong School affiliated to Catholic High School?
This is the most commonly searched affiliation pair, but we could not confirm it from MOE or the schools’ official pages, so we do not list it as a fact either way. The authoritative source is the “Affiliated schools” field for the school on MOE SchoolFinder — check there for any specific primary-to-secondary affiliation.
How do I check if a primary school is affiliated to a secondary school?
Search the secondary school on MOE SchoolFinder and read its “Affiliated schools” field, which lists the affiliated primary school(s). You can also check the secondary school’s own admissions page. Affiliations are a defined set that rarely changes, but always confirm against the official source for the current year.

Targeting an affiliated secondary school?

Affiliation gives priority, but the PSLE Score still has to be in range. Ancourage Academy's PSLE tuition in Bishan and Woodlands helps your child get there. Your first Academy trial is free (usually $18).

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Choosing a secondary school is about more than affiliation — read our guide to choosing a secondary school, check the DSA and S1 posting key dates, and if you're weighing Direct School Admission, see the DSA-Sec guide. Our secondary tuition (O-Level / SEC) in Bishan and Woodlands supports the transition.