St.Mary's (B) Primary School Pothakalanvilai
| School Name | St.Mary's (B) Primary School Pothakalanvilai |
| Address | Pothakalanvillai, Sasthavinallur, Sathankulam, Thoothukudi, Tamilnadu |
| Location | Sasthavinallur |
| City | Thoothukudi |
| District | Thoothukudi |
| State | Tamilnadu |
| Pincode | 628702 |
| Category | Primary School |
| Block | Sathankulam |
St.Mary's (B) Primary School Pothakalanvilai is located in Pothakalanvillai, Sasthavinallur, Sathankulam, Thoothukudi, Tamilnadu and was established in year 1926. 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 Government Aided. This school falls under Srivaikuntam assembly constituency. This school comes under Thoothukkudi parliamentary constituency. The first mode of communication is Tamil in the school.
| Class I to V | 29 Students |
| Total Students | 29 Students |
| Total Teachers | 2 Teachers |
| Student-Teacher Ratio | 15:1 |
| Student-Classroom Ratio | 10:1 |
The school has enrolled around one hundred students and has recruited total 2 teachers. The school has student-teacher ratio of 15 students per teacher. All of the teachers are appointed on Regular basis. All of the teachers are Female. In terms of Academic qualification one teacher is Below Graduate and rest one is Graduate. None of the teachers are trained in Computer. The student classroom ratio is 10:1, means on an average ten students sit in a classroom which is very good. There are 29 students in class I to V.
The school is in a Govt. building and it has pucca boundary walls. The school has total three clasrooms and one other room. There is both reading corner and book bank for students. There are two boys toilets for students. The school has both hand wash facility and drinking water facility for people.