Good Tree International School was first known as Carissa Grace Mission School, Inc. offering Preschool Course for children 3 1/2 – 6 years old. Rev. David Jhung, a Korean missionary who founded the said school last November 1999 as a free kindergarten school. With a burden and vision to respond to the great need of Christian families in the community, he decided to continue the program in June 2000 as formal educational institution for Nursery, Kinder and Prep levels registered to the Department of Trade and Industry. He aimed for a Christian school that geared to the attainment of the highest academic excellence for the development of personality in a totally Christian environment. Due to Parent’s demand, the school started operating grade 1 last June 2001, an additional level for 2002, and 2 more levels for 2003. The school is registered with the Securities and Exchange Commission in September 2001. Pursuant to the provision of Act#2706, as amended, and Batas Pambansa Bilang 232 (Educt’l Act of 1982). DepEd granted the Government Permit to operate the complete Preschool and Elementary Course. On March 2003, the institution bought a lot of 1000 sq.m in Bagtas, Tanza and started the construction of the new school building. The school board amended its articles of Incorporation/ By-laws, changing the name from Carissa Grace Mission School, Inc. to Good Tree International School, Inc. and transferred the newly named school from Carissa to Bagtas, Tanza Cavite. In the said date, Good Tree International School was blessed by another 1000 sq.m lot, and started the construction for Preschool building. In 2006, the school started to operate its high school level with recognition from the DepEd. The three-storey high school building was completed during the above mentioned year.

Now, Good Tree International School has more than 190 students and more than 20 faculty members which grows every year. Faculty members are focused on the well being of the students in and outside the classrooms.  With facilities and services aimed at student’s development for the future, GTIS strives on giving the best for your child.