St. Mary's High School
| School Name | St. Mary's High School |
| Address | Dudhani, Dumka, Jharkhand |
| Location | Dudhani |
| City | Dumka |
| District | Dumka |
| State | Jharkhand |
| Pincode | 814101 |
| Category | Secondary School |
| Block | Dumka |
St. Mary's High School is located in Dudhani, Dumka, Jharkhand. Established 20 years ago, this school is a Co-educational and is located in Urban area. This is a Secondary school and is currently operational. It's affiliated with State Board for class-X exams. The school is managed by Private Unaided (Recognized). It falls under Nagar Parshad Dumka municipality. The school is situated in 10 Dumka (St) assembly constituency. This is primarily Hindi medium school but English and Sanskrit is also spoken during classes.
| Class I to V | 150 Students |
| Class VI to VIII | 290 Students |
| Class IX to XII | 229 Students |
| Total Students | 669 Students |
| Total Teachers | 23 Teachers |
| Student-Teacher Ratio | 29:1 |
| Student-Classroom Ratio | 33:1 |
This institution has enrolled around seven hundred students and has 23 teachers to teach them, which makes the student-teacher ratio of 29 students per teacher. All of the teachers are appointed on Regular basis. Seven teachers are Male and remaining sixteen are Female. In terms of Academic qualification two teachers are Below Graduate, eighteen are Graduate and rest three are Post Graduate. Four teachers are trained in Computer. The student classroom ratio is 33:1, means on an average thirty three students sit in a classroom which is very good. There are 150 students in class I to V, 290 students in class VI to VIII and 229 students in class IX to XII.
The school is in a private building and it has pucca boundary walls. The school has total twenty clasrooms and seven other rooms. The school has internet facility for students. The school has twenty five desktops, two scanners, two printers, one LED, one webcam and one generator in its premises. There is library for students. There are ten boys toilets and fourteen girls toilets for students. The school has both hand wash facility and drinking water facility for people.