The International School of Monaco (ISM) is an independent, co-educational, not-for-profit day school located in the Larvotto area of Monaco at 43 Avenue Princesse Grace. Founded in 1994, as of August 2024 ISM had over 820 students aged 3 to 18 years old, drawn from over 60 nationalities.

ISM offers a bilingual education in English and French for students in the Primary School (Kindergarten to Year 6). In the Secondary School (Year 7 to Year 13), the curriculum is taught in English, leading to internationally-recognised academic qualifications. ISM is an all-through IB World Continuum School, delivering all four International Baccalaureate programmes: the IB Primary Years Programme (PYP), IB Middle Years Programme (MYP), IB Diploma Programme (DP) and IB Career-related Programme (CP). ISM also offers the Extended IB CP pathway, which allows high-performing student-athletes to complete the IB CP over a 3-year period instead of a 2-year period as part of ISM's accreditation as an Athlete Friendly Education Centre (AFEC) from the World Academy of Sport.

Based on the IB results from its 2021 graduating cohort, ISM was ranked in the top three IB schools in the EU / EEA by ib-schools.com.^[1] The Schools Index 2021, in partnership with global education group Carfax Education, ranked ISM in the top 10 best private schools in Europe (not including Switzerland and the UK).^[2] The school retained its position in the Carfax's The Schools Index in 2022 and 2023. ^[3] ISM was also ranked among the top 100 schools worldwide by the 2024 Spear’s Schools Index^[4].

• International School of Monaco website
• ISM school profile in IB World Schools Yearbook

43°43′59″N 7°25′35″E / 43.73295°N 7.42628°E / 43.73295; 7.42628