Govt. Senior Secondary School Kosli
| School Name | Govt. Senior Secondary School Kosli |
| Address | Kosli, Nahar, Rewari, Haryana |
| Location | Kosli |
| City | Rewari |
| District | Rewari |
| State | Haryana |
| Pincode | 123302 |
| Category | Higher Secondary School |
| Block | Nahar |
Govt. Senior Secondary School Kosli is located in Kosli, Nahar, Rewari, Haryana. Established in year 1928, the school is a Co-educational and is located in Rural area. This is a Higher Secondary school and is currently operational. It's affiliated with State Board for class-X & class-XII exams. The school is managed by Department of Education. It is located in 73-Kosli assembly constituency. The school is located in Rohtak parliamentary constituency. This is primarily Hindi medium school but English is also spoken during classes.
| Class VI to VIII | 53 Students |
| Class IX to XII | 222 Students |
| Total Students | 275 Students |
| Total Teachers | 16 Teachers |
| Student-Teacher Ratio | 17:1 |
| Student-Classroom Ratio | 21:1 |
This institution has around three hundred students studying and has 16 teachers to teach them, which makes the student-teacher ratio of 17 students per teacher. All of the teachers are appointed on Regular basis. Ten teachers are Male and remaining six are Female. In terms of Academic qualification one teacher is Graduate and rest fifteen are Post Graduate. Three teachers are trained in Computer. The student classroom ratio is 21:1, means on an average twenty one students sit in a classroom which is very good. There are 53 students in class VI to VIII and 222 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 twenty two other rooms. The school has both internet facility and DTH facility for students. The school has one laptop, seventeen desktops, one scanner, two printers, one LED, one digiboard and one webcam in its premises. There is both reading corner and library for students. There are four boys toilets, four girls toilets and one cwsn toilet for students. The school has both hand wash facility and drinking water facility for people.