| | Established | 2010 |
| | Level | Higher Secondary |
| | Type | Co-Educational |
| | Board | Others |
| | Medium of instruction | English |
| | No. of students | 385 |
| | No. of Teachers | 60 |
Periyanayagapuram in Thoothukudi has a school named Sdr School. The children get the most out of their education as they are taught by a team of 37 professional and dedicated faculties in this Other Board school.
Sdr School was started in the year 2010. With the student teacher ratio being 10:1 the primary medium of instruction is English. The school takes pride of its excellent teaching methodology.
The school provides education to students from class 1 to 12. The current student strength of the school is approximately 385. It has a library as well with over 3066 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 58% scoring first grade.
| School Code | 33281301606 |
| Status of Building | Private |
| Total Classrooms | 8 |
| Student Teacher Distrubution | Teachers 60 | Student 385 | |
| Boys to Girls Ratio | Boys 181 | Girls 97 | |
| Students Distribution | Primary 262 | Secondary 111 | Hr.Secondary 12 |
