Oeiras International School

Oeiras, Lisbon, Portugal
  • IB Diploma
  • IB MYP
  • IB PYP

Per yearabout USD 15.6K–25K

EUR 14K–22.4K · 2026-2027 school year · Source: school website (checked 2026-10-28)

Image from the school website · ois.pt

About

IB World School in Oeiras, near Lisbon, offering the PYP, MYP and Diploma Programme in a green rural campus. A not-for-profit association governed by parents, with a sustainability focus.

Key facts

Source: Read from the school's website

Private International school

Info checked 2026-11-01 · Fees 2026-2027

  • Curriculum

    IB Diploma · IB MYP · IB PYP

  • Ages

    Ages 5–18

  • Students

    463

  • Type

    International school

  • Fee level

Nationalities
48
Founded
2010
Ownership
Non-profit
Selectivity
Moderately selective

Fees

Source: Read from the school's website

2026-2027 school year

Age on the first day of the school year (usually 1 September). Cut-off dates differ by school.

GradePer year
1EUR 13,980≈ USD 15.6K
2EUR 13,980≈ USD 15.6K
3EUR 13,980≈ USD 15.6K
4EUR 13,980≈ USD 15.6K
5EUR 14,580≈ USD 16.3K
6EUR 17,370≈ USD 19.4K
7EUR 18,563≈ USD 20.7K
8EUR 18,563≈ USD 20.7K
9EUR 18,563≈ USD 20.7K
10EUR 21,953≈ USD 24.5K
11EUR 21,953≈ USD 24.5K
12EUR 22,406≈ USD 25K
13EUR 22,406≈ USD 25K
Annual tuition by grade
In the school's currency; the reference conversion is in brackets. · 2026-2027
Oeiras International School · Annual tuition by grade
per year
1EUR 13,980 (about USD 15.6K)
2EUR 13,980 (about USD 15.6K)
3EUR 13,980 (about USD 15.6K)
4EUR 13,980 (about USD 15.6K)
5EUR 14,580 (about USD 16.3K)
6EUR 17,370 (about USD 19.4K)
7EUR 18,563 (about USD 20.7K)
8EUR 18,563 (about USD 20.7K)
9EUR 18,563 (about USD 20.7K)
10EUR 21,953 (about USD 24.5K)
11EUR 21,953 (about USD 24.5K)
12EUR 22,406 (about USD 25K)
13EUR 22,406 (about USD 25K)

Source: school website (ois.pt) · checked 2026-10-28 · ECB reference rate (2026-11-06)

Fee range vs schools in the same city
Lowest to highest annual tuition across grades.
Oeiras International School · Fee range vs schools in the same city
minmax
Oeiras International School (this school)EUR 13,980 (about USD 15.6K)EUR 22,406 (about USD 25K)
Almada International SchoolEUR 7,678 (about USD 8.57K)EUR 10,980 (about USD 12.3K)
International Sharing School - LisbonEUR 11,790 (about USD 13.2K)EUR 26,760 (about USD 29.9K)
AprendizesEUR 10,923 (about USD 12.2K)EUR 17,589 (about USD 19.6K)
Prime SchoolEUR 11,285 (about USD 12.6K)EUR 22,160 (about USD 24.7K)

Source: school website (ois.pt) · checked 2026-10-28 · ECB reference rate (2026-11-06)

One-off costs

Application fee
EUR 250
Capital levy
EUR 5,000

As published by the school. Amounts change with the school year and exchange rates; please confirm with the school before applying. Converted amounts use the reference rate of the date shown. ECB reference rate (2026-11-06). Source: school website (checked 2026-10-28)

Admissions

Source: Read from the school's website

Entry process
Placement test, Interview
Scholarships
Yes
Sibling discount
5% second child, 15% third child, 25% fourth and subsequent children (tuition term fees)

Curriculum and academics

Source: Read from the school's website

Curricula, explained

The IB's four programmes

Schools often run only some of the four. Highlighted boxes are the ones this school offers.

  1. IB PYPOffered

    Early years to primary · Ages 3–12

    The IB's primary programme. Children learn through questions and units of inquiry rather than separate subjects.

  2. IB MYPOffered

    Middle years (ages 11–16) · Ages 11–16

    The IB's middle-years programme: eight subject groups taught with links between them, ending with a personal project.

  3. IB DP (Diploma)Offered

    Last 2 years of school · Ages 16–19

    The IB's university-entrance qualification — what people usually mean by "the IB". Six subjects plus the Extended Essay, TOK and CAS, scored out of 45.

  4. IB CP (Career-related)Not here

    Last 2 years of school · Ages 16–19

    The IB's career-related route for the same ages as the DP: at least two DP courses plus a career-related study chosen by the school.

Last two years: DP or CP

Ages are the usual bands; schools can differ.Curriculum basics guide

Average class size
16

Student support

Source: Read from the school's website

School bus
Yes
Food options
Vegetarian

Campus and school life

Source: Read from the school's website

Facilities

  • Library

Upcoming events

From the school's own pages. Check again before attending.

All events

Request a school tour

Sign in to request a tour. You can follow its status on your page.

Sign in to request

Accreditation and memberships

Source: Read from the school's website

Accreditations
CIS, IB, NEASC
Memberships
COIS, ECIS

Location

Source: Read from the school's website

Similar schools

Schools in the same city with a similar curriculum and fee level. Not a ranking.

More in this city · Lisbon

Updated 2026-11-01

Are you school staff?

Add these yourself in the school portal.

  • Principal and admissions introductions
  • Exam results and university destinations
Add in the school portal