Middle School Kosiyar
| School Name | Middle School Kosiyar |
| Address | Kosiyar, Amruha, Sahar, Arrah, Bihar |
| Location | Kosiyar |
| City | Arrah |
| District | Bhojpur |
| State | Bihar |
| Pincode | 802208 |
| Category | Upper Primary School |
| Block | Sahar |
Middle School Kosiyar is located in Kosiyar, Amruha, Sahar, Arrah, Bihar. Established 71 years ago, this school is a Co-educational and is located in Rural area. This is a Upper Primary school and is currently operational. The school is managed by Department of Education. It comes under Tarari assembly constituency. The first mode of communication is Hindi in the school.
| Class I to V | 146 Students |
| Class VI to VIII | 196 Students |
| Total Students | 342 Students |
| Total Teachers | 6 Teachers |
| Student-Teacher Ratio | 57:1 |
| Student-Classroom Ratio | 34:1 |
The institution has enrolled around four hundred students and has 6 teachers to teach them, thus making the student-teacher ratio of 57 students per teacher. All of the teachers are appointed on Regular basis. Five teachers are Male and remaining one is Female. In terms of Academic qualification five teachers are Below Graduate and rest one is Graduate. None of the teachers are trained in Computer. The student classroom ratio is 34:1, means on an average thirty four students sit in a classroom which is very good. There are 146 students in class I to V and 196 students in class VI to VIII.
The school is in a Govt. building and it has pucca boundary walls. The school has total ten clasrooms. There is book bank for students. There are one boys toilet and one girls toilet for students. The school has both hand wash facility and drinking water facility for people.