Avalon Heights International School is a coeducational secondary school located in Vashi, Navi Mumbai. It is affiliated to the Indian Certificate of Secondary Education (ICSE)[1] and was established in 1998. The school has over 1200 students and is located near APMC Market in Navi Mumbai.It was ranked among the Top 10 Navi Mumbai Schools in the survey conducted by Hindustan Times in 2019. The School was founded by Mrs. Kamlesh Sharma/ Mrs. Simi Sharma in 1998 in a small bungalow in Navi Mumbai with few students, all in the pre-nursery classes. Later the school shifted to a building on an educational reserved plot allotted by the Navi Mumbai Municipal Corporation and began classes up till 10th grade; 11th and 12th grade were added in 2017. The school follows the ICSE course syllabus, as set out by the CISCE board in Delhi. It used to follow IGCSE as well, but it was discontinued in 2013.It runs classes from kindergarten to the 12th grade. The average class size is 25-30 students, the number being greater in the junior classes.There is 10:1 Teacher-to-Student-Ratio. Teachers do not live on campus. There are also maushi's and bhaiya's present on campus to help the children and school.