Saint John's Group of Schools and University () is a group of private Catholic educational institutions run by the Vincentian located in Thailand. It was organized in 1961.
The group consists of:
It is possible for a child to enter Saint John's kindergarten at age 2 and finish with a PhD without ever leaving the group. Many of Saint John's staff are alumni of one of Saint John's eight schools.
Saint John's School is the home of Saint John's Choir.
The Saint John's Affiliate School Programme was launched in 2007 with the aim of using Saint John's educational knowledge to improve private schools throughout the Kingdom of Thailand. The programme aims to have one school in each province of Thailand that have the support of Saint John's group of schools in Bangkok. While each school that joins the programme aims to improve educational standard across all subject areas, the two initial points of development focus are English instruction and IT support. As of May 2008, three schools have been admitted to the affiliation programme: