G.Middle School S.S 21
| School Name | G.Middle School S.S 21 |
| Address | Sector 21, Block-1, Chandigarh |
| Location | Sector 21 |
| City | Chandigarh |
| District | Chandigarh |
| State | Chandigarh |
| Pincode | 160022 |
| Category | Higher Secondary School |
| Block | Block-1 |
G.Middle School S.S 21 is located in Sector 21, Block-1, Chandigarh and was established 58 years ago. This school is a Co-educational and is located in Urban area. This is a Higher Secondary school and is currently operational. It's affiliated with CBSE Board for class-X & class-XII exams. The school is managed by Department of Education. It falls under Chd. Municipality Corporation municipality. This school falls under Chandigarh assembly constituency. The language used to teach students is English.
| Pre Primary | 59 Kids |
| Class I to V | 273 Students |
| Class VI to VIII | 274 Students |
| Class IX to XII | 907 Students |
| Total Students | 1513 Students |
| Total Teachers | 57 Teachers |
| Student-Teacher Ratio | 27:1 |
| Student-Classroom Ratio | 46:1 |
This institution has strength of around one thousand six hundred students being taught by around 57 teachers, which makes the student-teacher ratio of 27 students per teacher. 45 teachers are appointed on Regular basis, one is appointed on Part-time basis and rest eleven are appointed on Contract basis. Sixteen teachers are Male and remaining 41 are Female. In terms of Academic qualification one teacher is Below Graduate, ten are Graduate and rest 46 are Post Graduate. 25 teachers are trained in Computer. The student classroom ratio is 46:1, means on an average forty six students sit in a classroom which is good. There are 59 kids in pre primary, 273 students in class I to V, 274 students in class VI to VIII and 907 students in class IX to XII.
The school is in a Govt. building and it has pucca boundary walls. The school has total thirty three clasrooms and six other rooms. The school has internet facility for students. The school has fifty three desktops, one scanner, five printers and three LEDs in its premises. There is reading corner, library and book bank for students. There are eight boys toilets and ten girls toilets for students. The school has both hand wash facility and drinking water facility for people.