Government High School Onambakkam
| School Name | Government High School Onambakkam |
| Address | Onampakkam, Onambakkam, Madurantagam, Chengalpattu, Tamilnadu |
| Location | Onampakkam |
| City | Chengalpattu |
| District | Chengalpattu |
| State | Tamilnadu |
| Pincode | 603313 |
| Category | Secondary School |
| Block | Madurantagam |
Government High School Onambakkam is located in Onampakkam, Onambakkam, Madurantagam, Chengalpattu, Tamilnadu. Established 69 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. This school falls under Madurantakam (Sc) assembly constituency. The school is located in Kancheepuram (Sc) parliamentary constituency. The language used to teach students is Tamil but English is also spoken during classes.
| Class VI to VIII | 166 Students |
| Class IX to XII | 145 Students |
| Total Students | 311 Students |
| Total Teachers | 17 Teachers |
| Student-Teacher Ratio | 18:1 |
| Student-Classroom Ratio | 28:1 |
The institution has enrolled around four hundred students and has 17 teachers to teach them, which makes the student-teacher ratio of 18 students per teacher. Fourteen teachers are appointed on Regular basis and rest three are appointed on Part-time basis. Six teachers are Male and remaining eleven are Female. In terms of Academic qualification three teachers are Below Graduate, two are Graduate and rest twelve are Post Graduate. Four teachers are trained in Computer. The student classroom ratio is 28:1, means on an average twenty eight students sit in a classroom which is very good. There are 166 students in class VI to VIII and 145 students in class IX to XII.
The school is in a Govt. building and it has pucca boundary walls. The school has total eleven clasrooms and five other rooms. The school has both internet facility and DTH facility for students. The school has one laptop, ten desktops, one tablet, one scanner, one LED, one webcam and one generator in its premises. There is reading corner, library and book bank for students. There are one boys toilet, three girls toilets and one cwsn toilet for students. The school has both hand wash facility and drinking water facility for people.