Founded
2008

First campus at Upper Changi Road; GSF-owned since 2015

Curriculum
IB PYP → IGCSE → IB DP

Modified Cambridge middle years; bilingual option G3–5

Campuses
3

Nanyang (Jurong West), Digital (Punggol), Newton (Bukit Timah)

2026-27 fees
S$24,158–40,459

Campus- and grade-dependent; GST-inclusive

Diversity
30% nationality cap

70+ nationalities across campuses

2025 IB
100% pass

Average 32–33 points at Nanyang; top score 40

The short version

The short version

One World International School (OWIS) teaches roughly 1,500–1,600 students of more than 70 nationalities across three Singapore campuses: Nanyang in Jurong West (Early Childhood to Grade 12), the Digital Campus in Punggol (opened August 2023, currently to Grade 10), and Newton on Bukit Timah Road (opened August 2025, ages 3–11).

The academic ladder runs IB Primary Years, a modified Cambridge programme with IGCSE in the middle years, and the IB Diploma in Grades 11–12.↗↗

For an expat family, the practical summary is this: OWIS is the value-tier play that does not feel like a compromise — a real IB pathway, published 2026-27 fees from S$24,158 at Nanyang, and an enforced diversity policy.

The trade-offs live in the details: support services and devices are billed separately, results sit above the world average but below Singapore’s stellar local average, and the newest campus is still earning its IB authorisation.

What the school is

A government-tender value school, scaled by Global Schools Foundation

OWIS opened in 2008 at Upper Changi Road as a small school with a “kindness-led” ethos, and was acquired in 2015 by Global Schools Foundation — the group behind GIIS, which describes itself as a non-profit founded in 2002 with the goal of affordable international education.

The pivotal moment came in 2017, when OWIS won a Singapore government tender to operate a moderately priced international school; the Nanyang campus opened in January 2018 and scaled past 1,200 students within two years.↗

That tender origin explains the school’s shape: OWIS is deliberately engineered to a price point, and the EDB’s policy of encouraging mid-priced schools sits behind its existence.

It holds a four-year EduTrust certification (awarded 2020; current CPE registration 200800495N valid to 23 February 2027), and Nanyang and the Digital Campus are accredited for IB PYP, Cambridge IGCSE and the IB Diploma — with the Digital Campus additionally registered for Cambridge A-Levels.↗↗

The diversity policy is the other engineering choice: OWIS caps any single nationality at 30% of the student population — a published, structural rule rather than a marketing aspiration. For families who have watched other schools drift toward single-market dominance, this is a meaningful differentiator.↗

Three campuses

Nanyang, Punggol Digital, Newton — three price points, one pathway

Nanyang (21 Jurong West Street 81) is the flagship: full EC-to-Grade-12, IB PYP and DP accredited, with a Chinese-English bilingual option in Grades 3–5.

The Digital Campus at 27 Punggol Field Walk opened in August 2023 inside the Global Campus Village, leaning into technology-enabled learning with 60-plus skill studios, and is growing year groups upward toward its own Diploma cohorts.↗↗

Newton, at 99 Bukit Timah Road, opened in August 2025 for children aged 3–11 — the school’s first central-city site, and currently a candidate school for the IB PYP rather than a fully authorised one.

That candidacy status matters: candidate status is no guarantee of authorisation, so if you are buying Newton for the PYP, ask directly about the authorisation timeline and what happens if it slips.↗↗

Fees differ by campus, which is part of the design: in 2026-27, Nanyang runs S$24,158–27,774, Newton around S$26,491, and the Digital Campus S$31,449–40,459 depending on grade.

Families should also note that older material references a Suntec city campus opened in 2021; the school’s current fee pages list only Nanyang, Digital and Newton — confirm the campus line-up for your entry year.↗↗

Academics in practice

A real IB pathway — with honest results

The pathway is fully articulated: IB PYP to Grade 5, then a modified Cambridge curriculum through the middle years — with an Academic English Prep Programme for students still building English — Cambridge IGCSE in Grades 9–10, and the IB Diploma in Grades 11–12.

It is the same IB-sandwich structure used by schools charging twice the price.↗

Results are credible rather than spectacular, and published: OWIS Nanyang’s 2025 IB Diploma cohort achieved a 100% pass rate with an average of 32 points (the school claims 33) against a world average of 30.58 — though below Singapore’s unusually high local average of 35.43 — and a top score of 40, after a 45 in 2024.

Reported alumni destinations include Sydney, Melbourne, Warwick, Edinburgh, NUS, Waseda and UBC.↗↗

Support exists but is priced à la carte: levelled English programmes including the AEPP bridging stream, plus additional learning support and counselling services. Ratios run from 1:9 in Early Childhood to 1:24 from Grade 2 — generous at the youngest end, standard thereafter.

Families with significant SEN requirements should treat OWIS as a mild-to-moderate provision and assess carefully.↗↗

Fees and the real cost

The value tier, itemised: what S$24,158 buys and what it doesn’t

OWIS publishes a complete fee page, GST-inclusive. For 2026-27 at Nanyang: S$24,158 per year for Early Childhood 1–3 and Grades 1–6, S$27,774 for Grades 7–12, and S$25,936 for the Grade 5 bilingual programme, plus a one-time S$1,420 application fee.

Tuition is payable in three instalments and includes two sets of uniforms, textbooks and scheduled academic field trips — inclusions many premium schools charge extra for.↗

The extras are published line by line, which is to the school’s credit. Support costs: Additional English Support S$7,085 per year, Enhanced English Support S$8,175, Additional Learning Support S$6,540, and the AEPP bridging programme at S$12,079–13,887 per semester in Grades 6–8.

ECAs run S$1,635 per activity per term, music tuition S$3,270 per instrument per year, and school-managed devices are priced on the page — an iPad at S$619 or a MacBook Air at S$1,581.↗

The bus is optional and zone-based: S$4,296 (up to 3 km), S$4,777 (3–10 km) or S$5,257 (above 10 km) per year two-way in 2026-27.

Payment discipline matters here: after the first instalment, fees must be paid by GIRO — a non-GIRO surcharge of S$109 applies per instance, late payment costs S$109 per month, and returned GIRO or cheques cost S$218. There is a seven-working-day cooling-off period after signing the student contract.↗

Do the total-cost maths before celebrating the headline: a Grade 7 child at Nanyang with enhanced English support and a zone-3 bus runs about S$41,000 all-in — still well below premium-tier tuition alone, but no longer “half price”. OWIS’s value is real; it is just most real for children who need no surcharge services.

Admissions and fit

Accessible by design — with a scholarship door

OWIS positions itself as non-selective: admissions interviews are case-by-case in primary, with age-appropriate assessments for Grades 6–8 and additional requirements for IGCSE and IB DP entry.

The nationality cap can affect waitlists in practice — a year group can be full for one passport and open for another — so ask specifically about availability for your nationality, not just your grade.↗

The school advertises scholarships via a quick eligibility check on its site, and runs a Corporate Connect programme with partner-company discounts. Neither is documented in detail publicly — worth a direct question if cost is the deciding factor, because at OWIS’s price point even a modest award changes the maths against mid-premium rivals.↗

Our readConfidence: High

The benchmark value-tier IB school — read the surcharge schedule, then sign

Our confidence is High by this guide’s standards: OWIS publishes its tuition, bus zones, support fees, device prices, refund policy, GIRO rules and campus accreditation status first-party, and its 2025 IB outcomes are independently recorded.

The soft spots are minor: the Digital Campus’s per-grade table, the exact status of the former Suntec site, and a one-point discrepancy between the school’s claimed IB average (33) and the independently recorded one (32).

The families OWIS suits: self-funding families who want a genuine IB pathway without premium-tier fees; diversity-minded families who value the 30% cap; and corporate packages that have been trimmed below the S$40,000 line.

The families it suits less well: those wanting a century of heritage, top-quartile results or deep SEN provision — and anyone choosing the Newton campus specifically for the PYP before its authorisation lands. Within its lane, OWIS is exactly what Singapore’s mid-priced school policy was meant to produce.

Take these to the school

Questions that move beyond the tour script

Admissions and availability

  1. For our child’s grade and nationality, is there currently availability — and how does the 30% cap affect our waitlist position?
  2. What assessment will our child sit for their grade, and what are the additional requirements for IGCSE or IB DP entry?
  3. What scholarships or Corporate Connect discounts could apply to us, and when are they decided?

Academics and support

  1. May we see the last three years of IB Diploma results with cohort sizes, and the IGCSE outcomes for the latest cohort?
  2. What level of English or learning support would our child be assessed into, and what would it add to the annual cost?
  3. For the Digital Campus: which grade levels are open for our entry year, and when will the first full IB DP cohort run?

Cost and logistics

  1. Can you itemise our full first-year cost — tuition, application fee, support services if assessed, bus zone, device and ECAs?
  2. For Newton: what is the IB PYP authorisation timeline, and what is the plan if authorisation is delayed?
  3. Which bus zones cover our shortlisted neighbourhoods, and what is the realistic journey to each campus?

Continue your research

Choose your next step

Sources and further research

Where to verify and keep reading

We favor direct links to the exact page or document a family may need next. Access dates matter because admissions, tuition, leadership, and programs change.