Defence Senior Secondary School Jjn
| School Name | Defence Senior Secondary School Jjn |
| Address | Nd_Jhunjhunun - Ward No.- 12, Np Jhun Ward No. 11, Jhunjhunu City (Np), Jhunjhunu, Rajasthan |
| Location | Nd_Jhunjhunun - Ward No.- 12 |
| City | Jhunjhunu |
| District | Jhunjhunu |
| State | Rajasthan |
| Pincode | 333001 |
| Category | Higher Secondary School |
| Block | Jhunjhunu |
Defence Senior Secondary School Jjn is located in Nd_Jhunjhunun - Ward No.- 12, Np Jhun Ward No. 11, Jhunjhunu City (Np), Jhunjhunu, Rajasthan and was established 32 years ago. This 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 Private Unaided (Recognized). The school is situated in Jhunjhunu (027) assembly constituency. The first mode of communication is Hindi in the school but English is also spoken during classes.
| Class I to V | 248 Students |
| Class VI to VIII | 181 Students |
| Class IX to XII | 687 Students |
| Total Students | 1116 Students |
| Total Teachers | 25 Teachers |
| Student-Teacher Ratio | 45:1 |
| Student-Classroom Ratio | 43:1 |
This school has strength of around one thousand two hundred students and has 25 teachers to teach them. The student-teacher ratio is 45 students per teacher. All of the teachers are appointed on Regular basis. Sixteen teachers are Male and remaining nine are Female. In terms of Academic qualification one teacher is Below Graduate, six are Graduate and rest eighteen are Post Graduate. 25 teachers are trained in Computer. The student classroom ratio is 43:1, means on an average forty three students sit in a classroom which is good. There are 248 students in class I to V, 181 students in class VI to VIII and 687 students in class IX to XII.
The school is in a private building and it has pucca boundary walls. The school has total twenty six clasrooms and nineteen other rooms. The school has both internet facility and DTH facility for students. The school has one laptop, one desktop, one tablet, one scanner, four printers, four LEDs, one digiboard, forty webcams and two generators in its premises. There is reading corner, library and book bank for students. There are eight boys toilets, eight girls toilets and two cwsn toilets for students. The school has both hand wash facility and drinking water facility for people.