| | Established | 1940 |
| | Level | Primary |
| | Type | Co-Educational |
| | Board | Others |
| | Medium of instruction | Tamil |
| | No. of students | 57 |
| | No. of Teachers | 3 |
Thellar in Tiruvannamalai has a school named Rcm Primary-Theresapuram. It is a Other Board school, with a team of 3 dedicated and professional faculties, which are here to ensure that the children get the most from their education.
Rcm Primary-Theresapuram was launched in 1940. The primary medium of instruction is Tamil and the student teacher ratio is 19:1. The school takes pride of its excellent teaching methodology.
The school provides education to students from class 1 to 5. This school has approximately 57 as student strength. This school's library has 485 books.
The school has given exceptional results in the academic sphere and its students have excelled in extra co-curricular activities too. The perentage of students passing the exam is 100% with 100% scoring first grade.
| School Code | 33060609101 |
| Status of Building | Private |
| Total Classrooms | 3 |
| Student Teacher Distrubution | Teachers 3 | Student 57 | |
| Boys to Girls Ratio | Boys 30 | Girls 27 | |
| Students Distribution | Primary 57 | Secondary 0 | Hr.Secondary 0 |
