1. S.b. Nursery & Primary School, Thiruvallur. 2. S.b.i.o.a. Model Matric & Higher Secondary School, Thiruvallur. 3. S.k.s Vivekanandha Nursery & Primary School, Thiruvallur. 4. S.r.v. Nursery & Primary School, Thiruvallur. 5. Sacred Heart Matriculation Higher Secondary School, Thiruvallur. 6. Sagaya Matha Matriculation School, Thiruvallur. 7. Saisri Matriculation School, Thiruvallur. 8. Salvation Matric. Hr. Sec School, Thiruvallur. 9. Santhi Neketan Matric. School, Thiruvallur. 10. Saraswathi Vidyalaya Matriculation School, Thiruvallur. 11. Saraswathy Nursery & Primary School, Thiruvallur. 12. Sarathy Saraswathi Vidyalaya Matric School, Thiruvallur. 13. Satheesh Balaji Matriculation School, Thiruvallur. 14. Sathyaa Matriculation Higher Secondary School, Thiruvallur. 15. Shalom Nursery & Primary School, Thiruvallur. 16. Shamrock Matriculation Higher Secondary School, Thiruvallur. 17. Sharon Matric School, Thiruvallur. 18. Shebha Nursery & Primary School, Thiruvallur. 19. Shree Balakrishna Nursery & Primary School, Thiruvallur. 20. Shree Niketan Matriculation Higher Secondary School, Thiruvallur. 21. Shree Poonganagar Venkateswara N & P School, Thiruvallur. 22. Shri Gomathi Vidyalaya Nursery & Primary School, Thiruvallur. 23. Shri Krishnaswamy Matric. School, Thiruvallur. 24. Shri Sasthaa Matriculation School, Thiruvallur. 25. Sidhaartha Matriculation Higher Secondary School, Thiruvallur.