| | Established | 1960 |
| | Level | Higher Secondary |
| | Type | Co-Educational |
| | Board | State Board |
| | Medium of instruction | Tamil |
| | No. of students | 676 |
| | No. of Teachers | 57 |
Poondi in Thiruvallur has a school named Government Higher Secondary School. It is a State Board school, with a team of 29 dedicated and professional faculties, which are here to ensure that the children get the most from their education.
In 1960, Government Higher Secondary School was launched. The primary medium of instruction is Tamil with English as secondary medium and the student teacher ratio is 23:1. The school takes pride of its excellent teaching methodology.
Classes from 6 to 12 run in this school. This school's student strength is approximately 676. This school's library has 2000 books.
The school has given exceptional results in the academic sphere and its students have excelled in extra co-curricular activities too. 100% from this school qualified the examination and out of those, 100% scored first grade with flying colors.
| School Code | 33010205802 |
| Status of Building | Government school in a rent free building |
| Total Classrooms | 6 |
| Monday | 9:00 am - 4:00 pm |
| Tuesday | 9:00 am - 4:00 pm |
| Wednesday | 9:00 am - 4:00 pm |
| Thursday | 9:00 am - 4:00 pm |
| Friday | 9:00 am - 4:00 pm |
| Saturday | 9:00 am - 4:00 pm |
| Sunday | closed |
| Student Teacher Distrubution | Teachers 57 | Student 676 | |
| Boys to Girls Ratio | Boys 336 | Girls 340 | |
| Students Distribution | Primary 0 | Secondary 390 | Hr.Secondary 286 |
