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International Sharing School Lisbon campus
International Sharing School Lisbon logo

International Sharing School Lisbon

  • Porto Salvo
  • IB PYP · MYP · DP

Photo: International Sharing School Lisbon

International Sharing School Lisbon is in Porto Salvo, in Oeiras, between Cascais and Lisbon. It teaches the International Baccalaureate in English, all the way from Nursery to Grade 12.

The school puts a lot of weight on what it calls a spirit of sharing and innovation, including an entrepreneurship thread that runs through the year groups. Portuguese is taught alongside the English-language curriculum.

If you want an IB school that takes very young children, ISS Lisbon is one of the options to compare. A visit will tell you more than any brochure about how it feels day to day.

Tuition 2026/2027

Year groupAnnual tuition
Foundations€11,790
Early Years€12,720
Grade 1€15,630
Grade 2€16,710
Grade 3€17,070
Grades 4–5€18,510
Grade 6€19,410
Grade 7€20,730
Grade 8€21,015
Grade 9€23,040
Grade 10€23,310
Grade 11€25,680
Grade 12€26,760

Other fees

  • Application fee (deductible from the enrolment fee)€200
  • Enrolment fee€1,200
  • Annual renewal fee€600

From the ISS Lisbon tuition fees page for 2026/2027. Part-time places are available in Foundations and Early Years at 65% of full tuition.

Services

  • School bus or transport

    Confirmed · source

    Door-to-door transport (extra fee)

    Areas served: Lisbon, Oeiras, Cascais, Sintra

  • School meals

    Confirmed · source

    Lunch for all students

  • Gym or sports hall

    Not mentioned

  • Swimming pool on site

    Not mentioned

    Swimming is an after-school activity; venue not stated

  • Dance

    Confirmed · source

    Ballet, modern and jazz

  • Music lessons or programme

    Confirmed · source

    Music Academy lessons

  • Martial arts

    Confirmed · source

    Jiu-jitsu and judo

Checked on the school's website on 21 Oct 2026; ask the school to confirm.

Check your commute

Times change a lot at rush hour; check around 8:00 on a weekday.

Directions to ISS Lisbon, Av. Dr. Mário Soares 14, Porto Salvo. Opens Google Maps in a new tab; nothing is sent to or stored by Colegio Cascais.

Questions parents ask

What curriculum does ISS Lisbon follow?

The International Baccalaureate in English, from Nursery to Grade 12: Early Years, the Primary Years Programme, the Middle Years Programme and the IB Diploma Programme.

Is ISS Lisbon a religious school?

No. The school describes itself as non-denominational and welcoming families of many cultures and faiths.

How much is ISS Lisbon in 2026/2027?

Annual tuition runs from €11,790 (Foundations) to €26,760 (Grade 12). New families pay a €200 application fee, which is deducted from the €1,200 enrolment fee.

Facts checked on the school's own website on 21 October 2026. Schools update fees and programmes every year, so please confirm details with the school before you apply.

Sources: sharingschoollisbon.pt · sharingschoollisbon.pt/admissions/tuition-fees

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