International Sharing School Lisbon vs United Lisbon International School
International Sharing School Lisbon and United Lisbon International School are both in Lisbon, about 17 km apart. Both schools offer IB programmes, and United Lisbon International School also offers IEYC, IPC and IMYC. Published annual fees are close, at €11,790 - 26,760 for International Sharing School Lisbon and €11,800 - 24,000 for United Lisbon International School. International Sharing School Lisbon takes pupils from 1 to 18, and United Lisbon International School from 3 to 18. Typical class sizes are 20 at International Sharing School Lisbon and 16 at United Lisbon International School.
IB (DP), IEYC (International Early Years Curriculum), IPC (International Primary Curriculum), IMYC (International Middle Years Curriculum)
Pupils
Pupils
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Pupils
615
Typical class size
Typical class size
20
Typical class size
16
Instruction language
Instruction language
English
Instruction language
English
Opened
Opened
1980
Opened
2020
Bus service
Bus service
Yes
Bus service
Yes
Essentials
Essentials
Location
Location
Av. Dr. Mário Soares 14, 2740-119 Porto Salvo, Portugal. It is in the Lisbon metropolitan area. The school offers home-to-school transport to Lisbon, Oeiras, Cascais and Sintra. sharingschool.org
Location
Located in central Lisbon at Avenida Marechal Gomes da Costa No 9, 1800-255 Lisbon, Portugal. The campus is centrally located in downtown Lisbon, next to the Park of Nations (Parque das Nações).
Stages
Stages
Foundations (1–3 years); Primary Years Programme (3–11); Middle Years Programme (11–16); Diploma Programme (16–18). sharingschool.org
Stages
K-12 school for children aged 3-18.
School type
School type
International school (IB World School) offering the IB continuum and a Foundations programme. sharingschool.org
School type
Private day school.
Pupil nationality mix
Pupil nationality mix
Over 50 nationalities represented; multilingual and multicultural student body. sharingschool.org
Pupil nationality mix
Over 50 nationalities are represented.
Additional learning support
Additional learning support
English Boosting Programme to help students improve their English. sharingschool.org
Additional learning support
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Country affiliation
Country affiliation
Portugal
Country affiliation
Portugal
Religious affiliation
Religious affiliation
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Religious affiliation
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School day structure
School day structure
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School day structure
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Bus service details
Bus service details
Home–school–home transportation from Lisbon, Oeiras, Cascais and Sintra; transportation not included in tuition and subject to availability. sharingschool.org
Bus service details
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Fees
Fees
Fee details
Fee details
Application & Admission Fees - Application Fee: €200 (deductible from the Enrolment Fee). - Enrolment Fee (new students): €1,200, payable once the student is accepted. - Renewal Fee (existing students): €600, invoiced annually in February.
Tuition Fees by Year Group (per term / per year) - Early Years (Foundations 1 & 2): €3,930 per term / €11,790 per year. - Early Years (ages 3–5): €4,240 per term / €12,720 per year. - Primary Years (PYP): - Grade 1: €5,210 per term / €15,630 per year. - Grade 2: €5,570 per term / €16,710 per year. - Grade 3: €5,690 per term / €17,070 per year. - Grade 4: €6,170 per term / €18,510 per year. - Grade 5: €6,170 per term / €18,510 per year. - Middle Years (MYP): - Grade 6: €6,470 per term / €19,410 per year. - Grade 7: €6,910 per term / €20,730 per year. - Grade 8: €7,005 per term / €21,015 per year. - Grade 9: €7,680 per term / €23,040 per year. - Grade 10: €7,770 per term / €23,310 per year. - Diploma Programme (DP): - Grade 11: €8,560 per term / €25,680 per year. - Grade 12: €8,920 per term / €26,760 per year.
Billing schedule & Payment Terms - Invoice cadence and key invoice due dates for continuing students: - Term 1 invoiced 1 June 2026; due by 1 July 2026. - Term 2 invoiced 2 November 2026; due by 2 December 2026. - Term 3 invoiced 1 March 2027; due by 1 April 2027. - Renewal Fee invoiced 1 February 2027; due by 26 February 2027. - Examination fees invoiced 1 June 2026; due by 1 July 2026. - Payment schedule for new students: the Application Fee is paid on application; the Enrolment Fee is paid on acceptance; 50% of the first term's tuition that the student will join must be paid with the Enrolment Fee to secure the place. Remaining tuition follows the ongoing student schedule. - Payment methods accepted: bank transfer (parents must include student name/number on transfer), debit/credit card payments accepted in person at the school office (Visa and Mastercard), and educational vouchers (Edenred, Coverflex, Ticket). Cash payments are not accepted. - Bank details for bank transfers (fees to be received net of bank charges): - Bank: Millennium BCP. Beneficiary: ISS-OEIRAS. IBAN: PT50 0033 0000 4530 8575 3560 5. BIC/SWIFT: BCOMPTPL. - Late payment and debt policy: a 5% monthly compounded fine is charged on overdue payments; legal recovery fees may be charged to the debtor. Students with outstanding debts may have limited access to optional services, reports, exam results and renewal may be withheld. No debt may be carried into the next academic year. - Discounts: sibling discounts are applied as follows — 10% for two siblings, 15% for three siblings, 20% for four or more siblings; 5% school-bus sibling discount on the second and subsequent siblings. A 3% discount is available on annual tuition if the full-year payment is received by 1 July 2026. Discounts are void if fees are not paid according to the payment schedule.
Boarding - The school operates as a day school (no boarding provision).
Optional services and other recurring fees - School Bus: €1,200 per student per term; School Bus Tracking App fee €45 per student (annual). Use of bus service requires a one-term commitment and withdrawals before the end of the term do not entitle a refund. - After-School Activities: charged per term and subject to a one-term commitment; withdrawals before the end of the term do not entitle a refund. Example after-school (Diploma) fee listed: €203 for specific items; optional activities vary in price. - Inclusion / one-to-one support: charged per session when required; the fee is determined based on the individual support required and confirmed by the Inclusion Team. - Late pick-up fees: €100 per term per student for staying on campus after 17:30 until 18:00; or €10 per day as a one-time late pick-up fee if not enrolled in the termly late-pick-up option.
Other mandatory and incidental fees - Uniform Welcome Pack (mandatory): Early Years €185; Primary & Middle Years €270; Diploma €20. Individual uniform unit prices: polo shirt €25; t-shirt €15; hoodie €40; jacket €50; hat €18; house t-shirt €20; PHE equipment package €95. Replacement uniform provided and charged if a student arrives without correct uniform. - Annual insurance: €28. - Yearbook: €32 (issued with Term 1 fees). - School meals: €700 per term (issued with Term 1 fees). - Examination Fees: MYP 5 cohort example €900; DP 2 cohort example €950 (invoiced as listed). - Student card replacement: €10 if lost.
Refunds, withdrawal and notice requirements - Notice of withdrawal: parents/guardians must notify the school in writing (email to admissions) one full term before the student's intended departure. Specific notice deadlines for leaving at the ends of terms are listed in the school terms and conditions. - Refund policy: the Application Fee, Enrolment Fee and any payments made to the school are non-refundable under any circumstance. If a student does not attend at the beginning of the school year, the Enrolment Fee and Term 1 fees are not refundable. Temporary suspensions or permanent expulsions do not entitle any refund.
Summary of immediate extra charges commonly invoiced with Term 1 - School Meals (per term), Annual Insurance, and Yearbook are invoiced with Term 1 fees. Uniform welcome packs, bus registration and any optional services selected will be invoiced according to their respective schedules and commitments.
Fee details
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Diving deeper
Diving deeper
Boarding arrangements
Boarding arrangements
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Boarding arrangements
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Uniform requirement
Uniform requirement
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Uniform requirement
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Food options
Food options
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Food options
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House system
House system
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House system
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Governance and ownership
Governance and ownership
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Governance and ownership
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Academics
Academics
Curriculum details
Curriculum details
The school teaches the International Baccalaureate (IB) Programme across four stages: Foundations Programme (1–3 years old); Primary Years Programme (3–11 years old); Middle Years Programme (11–16 years old); Diploma Programme (16–18 years old).
Curriculum details
ULIS provides an international educational program in English for ages 3–18. In Early Years and Primary, IEYC and IPC frameworks guide the curriculum. In Middle School, the IMYC framework shapes learning. The High School program culminates in the IB Diploma Programme for Grades 11–12. Portuguese is taught as a second language to ensure students reach an adequate level of Portuguese for life in Portugal.
Student teacher ratio
Student teacher ratio
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Student teacher ratio
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Exam results
Exam results
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Exam results
IB Diploma Programme results for 2024: average total score 32.2 with an 89.7% overall pass rate. Four students scored 40 or above, with a high score of 42. The average grade across subjects was 5.1 and the TOK/EE matrix averaged 1.8, with no core components failing.
Higher education progression
Higher education progression
The Diploma Programme prepares students for higher education with a certificate that is recognised worldwide.
Higher education progression
Graduates progress to a broad range of international universities worldwide. Destinations include University of Pennsylvania, Duke University, Brown University, UC Davis, King's College London, University of Edinburgh, University of Amsterdam, University of Toronto, ESCP Business School, The University of Auckland, IE Business School, and EHL.
Gifted and talented
Gifted and talented
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Gifted and talented
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Academic calendar
Academic calendar
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Academic calendar
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Wellbeing & support
Wellbeing & support
Social & emotional learning
Social & emotional learning
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Social & emotional learning
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Special educational needs (SEN)
Special educational needs (SEN)
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Special educational needs (SEN)
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English as an additional language
English as an additional language
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English as an additional language
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Mental wellbeing
Mental wellbeing
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Mental wellbeing
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Safeguarding
Safeguarding
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Safeguarding
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Safeguarding policy
Safeguarding policy
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Safeguarding policy
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Facilities
Facilities
Facilities overview
Facilities overview
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Facilities overview
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Sports facilities
Sports facilities
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Sports facilities
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Academic facilities
Academic facilities
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Academic facilities
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Extra curricular facilities
Extra curricular facilities
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Extra curricular facilities
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Parent experience
Parent experience
History
History
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History
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Community
Community
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Community
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Parent teacher association
Parent teacher association
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Parent teacher association
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Extra-curricular
Extra-curricular
Academic & intellectual
Academic & intellectual
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Academic & intellectual
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Arts & creative
Arts & creative
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Arts & creative
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Cultural & language
Cultural & language
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Cultural & language
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Social & hobbies
Social & hobbies
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Social & hobbies
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Community & service
Community & service
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Community & service
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Leadership & professional
Leadership & professional
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Leadership & professional
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Lifestyle & wellbeing
Lifestyle & wellbeing
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Lifestyle & wellbeing
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Language provision
Language provision
Language provision
Language provision
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Language provision
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Bilingual teaching
Bilingual teaching
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Bilingual teaching
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Immersion programs
Immersion programs
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Immersion programs
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Reputation
Reputation
Awards
Awards
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Awards
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Accreditations
Accreditations
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Accreditations
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Admissions
Admissions
Admissions
Admissions
Send an Enquiry. Our Admissions Team will be glad to send all information you need. Just fill out the form in OpenApply. Year-round enrolment up to Grade 10 is available.
Book a School Tour. Take 60 minutes to get to know us and what our community stands for, either in person or online.
Submit Final Application. Submit the application form, the most recent report card and complete the payment of the application fee.
Assessments & Interviews. After confirming the student's eligibility, an English assessment and interview will be conducted.
Confirmation of Enrolment. Enrolments are only confirmed once the school confirms it has received payment for all invoiced fees.
Admissions
Enquire: submit an Enquiry form; responses provide information about eligibility and spaces. Visit: schedule a campus tour (in person or virtual). Apply for a Place: complete the online application for each student and submit required documents, including school transcripts; an application fee is payable online. Prepare your documents: passport-sized photo; academic transcripts from the past two years and the current year (official translations if not in English or Portuguese); documentation for special needs (if applicable); copies of student and parents' IDs. Assessment and Interview: depending on age, assessments and/or family interviews may be required; remote assessments are available for overseas applicants. Receive an Offer: after review, the admission decision is communicated by email; if accepted, an offer to join is issued. Enrolment: secure your child's place by completing the enrolment process, signing the enrolment contract, and paying the enrolment fee; confirmation within 10 working days. Prepare for the First Day: admissions team will assist with preparations. Rolling admissions: applications are accepted year-round, depending on space availability. Language: language proficiency requirements vary by grade level per CEFR; English language support is available for non-native speakers.
