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One World International School

International School in Singapore

Imported listing

Quick answer

One World International School (OWIS) Singapore serves 1,800 students from 70 nationalities aged 3 to 18 across multiple Singapore campuses. The school combines British curriculum with the IB Diploma at sixth form, accredited by IBO and CIE. Strong fit for international families on Singapore assignments seeking British/IB-track education with exceptional 70-nationality diversity at scale.

Key facts

  • Curriculum: IB, British leaving qualifications include IGCSE and IB Diploma.
  • Tuition: $17,079–$19,636/yr published in SGD, US$ equivalent.
  • 70 nationalities top: We have a 30% nationality cap for any one nationality to maintain diversity..
  • Ages: Ages 3 to 18 school day starts at 9:00am.
  • Accreditations: IBO, CIE verified.
IB, BritishAges 3 to 18$17,079–$19,636/yr(SGD 21749-SGD 25005)
Est. all-in: $21,658/yr(+18%, modeled)Mid-range in SingaporeGood valueModerate admissions81% data coverage
Students

1,800

Nationalities

70 (We have a 30% nationality cap for any one nationality to maintain diversity.)

Admissions

Rolling

Accreditations

IBO, CIE

Qualifications

IGCSE and IB Diploma

multi-curriculumibbritish-curriculumhighly-diverseinternationally-mobile

About One World International School

One World International School is more than just a learning institution. While educating the next generation of leaders is our top priority, we want our students and families to know that we are a welcoming, diverse and inclusive community that strives to help all of its members make meaningful connections with one another. We have a team of world-class staff members who are passionate about education, and we are proud of the families who make up our student community. Our approach to education is distinctly different from many of the other schools in Singapore. Kindness is integral to everything we do at OWIS.

Learning & language support (SEN / EAL)

Special educational needs (SEN)Stated
English as an additional language (EAL)Stated

This school states meaningful learning-support provision — still confirm it fits your child's specific need.

Why this matters

Special-needs provision at international schools varies widely and is rarely guaranteed by the school itself — and local legal duties differ by country. Confirm what this school provides, in writing, before you commit.

  • Learning support: moderate
  • In-house specialist staff listed
  • EAL/ESL support listed

Not published

  • —Educational-psychologist availability not stated

Questions to ask the school

  1. Is an educational psychologist on staff or available by referral?
  2. Can you support a child with my child's specific need (e.g. dyslexia, ADHD, autism), and have you done so this year? Ask for concrete examples.
  3. Is there an additional fee for learning support or EAL — and how much per year?
  4. Is learning support guaranteed for the full enrolment, or can it be withdrawn later?
Annual fees and costs for One World International School
ItemAmount
Annual tuition (USD)$17,079–$19,636
Annual tuition (SGD)SGD 21749-SGD 25005
Fee year2025-2026
Est. all-in cost (modeled)how we calculate$21,658(+18%)
Est. first-year total (modeled)$24,158
Cost position in Singapore38th percentile(mid-range)
Curriculum

IB, British

Leaving qualifications

IGCSE and IB Diploma

External examinations

Cambridge IGCSE in Grade 10 and IB Diploma Programme in Grade 12.

Exam results

Our IB Diploma Programme students in Grade 12 take the external examinations in May.

Additional languages

Mandarin, Japanese, French and Spanish. Offerings might differ across campuses. Please check with our Admissions Counsellors at the campus of your choice.

Learning support

N/A

Special needs staff

We are an inclusive school however we are unable to support students outside mainstream teaching within the classroom. We pride ourselves on supporting all students with personalised and differentiated teaching and learning within the classroom.

ESL / EAL support

Yes, we offer EAL up to Grade 6. After Grade 6 we expect students to be proficient in English.

School hours

9:00am – 3:30pm

School busYes
Lunch

OWIS has a school canteen, which provides healthy meal options (vegetarian, asian, western) to our children. Children below Grade 3 need to pre-order whereas older students have the option to order directly. Both options are cashless.

Uniform requiredYes
After-school careNo
Listing imported: 2026-04-27Data source: scrapedConfidence: highData completeness: 81%Sources: none yet — confirm with the school

Imported from a directory listing and not independently verified — confirm fees and details with the school.

At a Glance

Fee Position in Singapore

Mid-range
Median
$6,000$17,079–$19,636$39,000

School Profile

AffordabilitySchool SizeDiversitySupport
One World International School

Class size: Not published

Student Diversity

70nationalities1,800 students

Very diverse

Common: We have a 30% nationality cap for any one nationality to maintain diversity.

Estimated Real Cost

Tuition + registration, transport, uniform, exams

83%
17%
Tuition:$18,357.5
Est. extras:$3,672
Estimated total per year$22,029.5 (SGD)

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Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.