
ECIS is a non-profit global membership organisation founded in 1965, originally as the European Council of International Schools. Now operating worldwide, it focuses on the professional growth of educators and the advancement of international education. The association provides professional learning, qualifications, and conferences designed to foster leadership, inclusion, and pedagogical excellence. ECIS connects member schools and partners to share best practices and innovative strategies, aiming to "transform lives through international education" by supporting the specific needs of the international school community.
Member Schools (3)

Southbank International School (Westminster) is a co-educational day school situated across three urban sites in Central London, near Regent's Park. It offers the International Baccalaureate Middle Years Programme (MYP) and Diploma Programme (DP) for students aged 11-18. The school emphasizes internationalism, with a diverse student body representing over 60 nationalities. It was previously awarded an "Outstanding" rating by Ofsted in 2017.

Jeannine Manuel School is a co-educational bilingual international French school, catering to students aged 3 to 18. Situated in the heart of London, with campuses across Bloomsbury, the school opened in 2015 as a sister institution to its Parisian namesake, which is ranked among French lycées. The school claims to focus on promoting international understanding through the bilingual education of a multicultural student community and fostering pedagogical innovation. Students follow an enriched bilingual curriculum, with options for the French International Baccalaureate or the International Baccalaureate Diploma.

Established in 1979, ICS London is a co-educational independent day school for students aged 3 to 18. Situated across two central London campuses in Marylebone and Paddington, the school offers the full International Baccalaureate (IB) programme, alongside IGCSEs. The school claims to focus on nurturing confident global citizens and welcomes students from over 65 nationalities. ICS London is an accredited IB World School and part of the Globeducate group.