Primary School Mangrauni Usrahi
| School Name | Primary School Mangrauni Usrahi |
| Address | Ajarkabe Mangrauni, Usrahi, Mangrauni North, Rajnagar, Madhubani, Bihar |
| Location | Ajarkabe Mangrauni |
| City | Madhubani |
| District | Madhubani |
| State | Bihar |
| Pincode | 847214 |
| Category | Primary School |
| Block | Rajnagar |
Primary School Mangrauni Usrahi is located in Ajarkabe Mangrauni, Usrahi, Mangrauni North, Rajnagar, Madhubani, Bihar and was established in year 1982. The 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. The school is situated in Rajnagar S.C assembly constituency. The medium of instructions is Hindi in the school.
| Class I to V | 160 Students |
| Total Students | 160 Students |
| Total Teachers | 8 Teachers |
| Student-Teacher Ratio | 20:1 |
| Student-Classroom Ratio | 80:1 |
The school teaches around two hundred students and has 8 teachers to teach them. The school has student-teacher ratio of 20 students per teacher. All of the teachers are appointed on Regular basis. Four teachers are Male and remaining four are Female. In terms of Academic qualification four teachers are Below Graduate, three are Graduate and rest one is Post Graduate. None of the teachers are trained in Computer. The student classroom ratio is 80:1, means on an average eighty students sit in a classroom which does not sound comfortable. There are 160 students in class I to V.
The school is in a Govt. building and it has pucca boundary walls. The school has total two 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.