Upgrade Middle School Nanai Kalan
| School Name | Upgrade Middle School Nanai Kalan |
| Address | Nanai Kala, Nanai Kalan, Sidki, Pratappur, Chatra, Jharkhand |
| Location | Nanai Kala |
| City | Chatra |
| District | Chatra |
| State | Jharkhand |
| Pincode | 825404 |
| Category | Upper Primary School |
| Block | Pratappur |
Upgrade Middle School Nanai Kalan is located in Nanai Kala, Nanai Kalan, Sidki, Pratappur, Chatra, Jharkhand and was established in year 1952. The 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 Chatra assembly constituency. This is primarily Hindi medium school.
| Class I to V | 164 Students |
| Class VI to VIII | 117 Students |
| Total Students | 281 Students |
| Total Teachers | 2 Teachers |
| Student-Teacher Ratio | 141:1 |
| Student-Classroom Ratio | 47:1 |
This school has around three hundred students studying and has 2 teachers to teach them. The student-teacher ratio is 141 students per teacher. All of the teachers are appointed on Contract basis. All of the teachers are Male. All of the teachers have Graduate qualification. None of the teachers are trained in Computer. The student classroom ratio is 47:1, means on an average forty seven students sit in a classroom which is good. There are 164 students in class I to V and 117 students in class VI to VIII.
The school is in a Govt. building and it has no boundary walls. The school has total six clasrooms. The school has one tablet in its premises. There is both library and 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.