Accreditations
Tree of Life International School has international and national accreditations that ensure the best educational and language program.
Since 2021, Tree of Life International School (TOLIS) has been accredited by Cambridge International Education. It prepares students from primary school to take the International Certificate of Secondary Education (IGCSE) exams, recognized by more than 10,000 post-secondary education institutions worldwide.
Being a #CambridgeSchool ensures TOLIS students are excellently prepared for university and develop skills such as independent, logical, and argumentative thinking, as well as clear communication in multiple languages.
Review Cambridge International Education- accredited schools in Costa Rica here.
Discover how Cambridge certification helps our students achieve a high standard in their education here .
Since 2023, Tree of Life International School (TOLIS) has been accredited by Beijing Language and Culture University (BLCU) as an International Model School for Chinese Teaching Materials.
Since 2025, Tree of Life International School (TOLIS) has been accredited as a member of UNESCO Associated Schools, which means it belongs to a global community of institutions committed to educational excellence and knowledge sharing; it promotes peace, justice, and respect for diversity in every classroom; encourages creativity and critical thinking; and participates in joint international projects.
The network currently connects 11,700 educational centers in 182 countries.
Since 2013 in primary school and since 2018 in secondary school, Tree of Life International School (TOLIS) has been accredited by the Ministry of Public Education. It meets all educational requirements for the national sixth-grade and eleventh-grade exams.