G.M.High School 20 D
| School Name | G.M.High School 20 D |
| Address | Sector 20, Block-1, Chandigarh |
| Location | Sector 20 |
| City | Chandigarh |
| District | Chandigarh |
| State | Chandigarh |
| Pincode | 160020 |
| Category | Secondary School |
| Block | Block-1 |
G.M.High School 20 D is located in Sector 20, Block-1, Chandigarh and was established in year 1952. The school is a Co-educational and is located in Urban area. This is a Secondary school and is currently operational. It's affiliated with CBSE Board for class-X exams. The school is managed by Department of Education. It is situated in Chd. Municipality Corporation municipality. The school is situated in Chandigarh assembly constituency. This is primarily English medium school but Hindi is also spoken during classes.
| Pre Primary | 27 Kids |
| Class I to V | 245 Students |
| Class VI to VIII | 232 Students |
| Class IX to XII | 155 Students |
| Total Students | 659 Students |
| Total Teachers | 27 Teachers |
| Student-Teacher Ratio | 24:1 |
| Student-Classroom Ratio | 35:1 |
The institution has around seven hundred students studying and has 27 teachers to teach them. The school has student-teacher ratio of 24 students per teacher. Eighteen teachers are appointed on Regular basis and rest nine are appointed on Contract basis. Six teachers are Male and remaining 21 are Female. In terms of Academic qualification four teachers are Graduate and rest 23 are Post Graduate. 23 teachers are trained in Computer. The student classroom ratio is 35:1, means on an average thirty five students sit in a classroom which is very good. There are 27 kids in pre primary, 245 students in class I to V, 232 students in class VI to VIII and 155 students in class IX to XII.
The school is in a Govt. building and it has pucca boundary walls. The school has total nineteen clasrooms and ten other rooms. The school has both internet facility and DTH facility for students. The school has twenty desktops, one scanner, four printers, one webcam and five generators in its premises. There is reading corner, library and book bank for students. There are three boys toilets and three girls toilets for students. The school has both hand wash facility and drinking water facility for people.