Primary School Dera Mari
| School Name | Primary School Dera Mari |
| Address | Deramari, Kochadhaman, Kishanganj, Bihar |
| Location | Deramari |
| City | Kishanganj |
| District | Kishanganj |
| State | Bihar |
| Pincode | 855107 |
| Category | Primary School |
| Block | Kochadhaman |
Primary School Dera Mari is located in Deramari, Kochadhaman, Kishanganj, Bihar and was established 46 years ago. This school is a Co-educational and is located in Rural area. This is a Primary school and is currently operational. The school is managed by Department of Education. This school falls under Kochadhaman-55 assembly constituency. The medium of instructions is Hindi in the school.
| Class I to V | 137 Students |
| Total Students | 137 Students |
| Total Teachers | 3 Teachers |
| Student-Teacher Ratio | 46:1 |
| Student-Classroom Ratio | 27:1 |
The institution has around two hundred students studying and has 3 teachers to teach them. The school has student-teacher ratio of 46 students per teacher. All of the teachers are appointed on Regular basis. All of the teachers are Male. In terms of Academic qualification two teachers are Below Graduate and rest one is Graduate. One teacher is trained in Computer. The student classroom ratio is 27:1, means on an average twenty seven students sit in a classroom which is very good. There are 137 students in class I to V.
The school is in a Govt. building and it has pucca boundary walls. The school has total five clasrooms. There are one boys toilet and one girls toilet for students. The school has both hand wash facility and drinking water facility for people.