Govt. High School Nanmangalam
| School Name | Govt. High School Nanmangalam |
| Address | Ward4, Nanmangalam, St.Thomas Mount(Rural), Chengalpattu, Tamilnadu |
| Location | Nanmangalam |
| City | Chengalpattu |
| District | Chengalpattu |
| State | Tamilnadu |
| Pincode | 600129 |
| Category | Secondary School |
| Block | St.Thomas Mount(Rural) |
Govt. High School Nanmangalam is located in Ward4, Nanmangalam, St.Thomas Mount(Rural), Chengalpattu, Tamilnadu. Established 12 years ago, this school is a Co-educational and is located in Rural area. This is a Secondary school and is currently operational. It's affiliated with State Board for class-X exams. The school is managed by Department of Education. It comes under Sholinganallur assembly constituency. The first mode of communication is Tamil in the school but English is also spoken during classes.
| Class VI to VIII | 410 Students |
| Class IX to XII | 239 Students |
| Total Students | 649 Students |
| Total Teachers | 20 Teachers |
| Student-Teacher Ratio | 32:1 |
| Student-Classroom Ratio | 50:1 |
The institution has around seven hundred students studying being taught by around 20 teachers, thus making the student-teacher ratio of 32 students per teacher. Seventeen teachers are appointed on Regular basis and rest three are appointed on Part-time basis. Two teachers are Male and remaining eighteen are Female. In terms of Academic qualification seven teachers are Below Graduate, four are Graduate and rest nine are Post Graduate. Fifteen teachers are trained in Computer. The student classroom ratio is 50:1, means on an average fifty students sit in a classroom which is good. There are 410 students in class VI to VIII and 239 students in class IX to XII.
The school is in a Govt. building and it has pucca boundary walls. The school has total thirteen clasrooms and six other rooms. The school has both internet facility and DTH facility for students. The school has five desktops, one scanner, one LED and four generators in its premises. There is reading corner, library and book bank for students. There are twenty boys toilets, fifteen girls toilets and one cwsn toilet for students. The school has both hand wash facility and drinking water facility for people.