| 1. | Provincial House, Villa Montfort(2000) Parattiyur West, Trichy 620 009 |
| 2. | Montfort High School(1983) No.1, Asherkhana Street,Alandur, Chennai 600 016 |
| 3. | Montfort Matric Higher Secondary School(1994) No.56, Rajaji Nagar, Ariyalur,Perambalur Dt.621713 |
| 4. | Social Action Centre(1982) Ayan Poruvai 621 308 |
| 5. | Champion Anglo Indian Hr. Sec. School(1978) P.B. No. 11, Trichy 620 001 |
| 6. | St. Joseph's Higher Secondary School(1966) Natham P.O, Chengalpattu 603 002 |
| 7. | St. Antony's Higher Secondary School(1978) Coonoor, The Nilgiris 643 101 |
| 8. | R. S. K. Higher Secondary School(1964) Kailasapuram, BHEL Township, Trichy 620 014 |
| 9. | R. C. Susai Higher Secondary School(1983) Kalugumalai, Tuticorin Dt. 628 552 |
| 10. | Lourdu Annai Higher Secondary School(1983) Lourdu Nagar, Kanakkankuppam, Gingee Tk,Villupuram |
| 11. | St. John's Agricultural Farm(1966) Manaparai Farm, Firka Kilaiyur 621 312 |
| 12. | St. Antony's Higher Secondary School(1961) Boys Town, Manjampatty 621 307 |
| 13. | St. John's ITI & MMS(1961) Manjampatty, Trichy District 621 307 |
| 14. | Montfort Scholasticate(1988) Varaganeri P.O, Trichey 620 008 |
| 15. | All Saints' Higher Secondary School(1996) Muttom, K. K. District 629 202 |
| 16. | Montfort Home(1964) Palakurichi, Trichy Dt. 621 308 |
| 17. | St. James Higher Secondary School(1958/1978) Palakurichi, Trichy Dt. 621 308 |
| 18. | Montfort Centenary Academy(2003) Montfort Nagar, Palayaseevaram, Kancheepuram Dt. |
| 19. | Montfort Rehabilitation Centre(1983) 16/19 GST Road, Pallavaram 600 043 |
| 20. | Little Flower Higher Secondary School(1957/1979) Teresaouram, Pondur PO, Via Sriperumbudur 602 105 |
| 21. | St. Peter's Higher Secondary School(1969) P.O No.567, Royapuram, Chennai 600 013 |
| 22. | Santhome Higher Secondary School(1954) 142, Santhome High Road, Mylapore, Chennai 600 004 |
| 23. | St. Stanislaus TTI & High School(1967) Mannarkottai Road, P.B.42, Sattur 626 203 |
| 24. | St. Joseph's Industrial School and M.M.S(1904) Tindivnam East, Chennai 604 002 |
| 25. | St. Louis Institute (College, School & Press)(1962) Gandhi Nagar, Adyar, Chennai |
| 26. | Montfort Merticulation School Rajalakshmi Avenue Main Road, Perungudi 600 096 |
| 27. | Madagscar Mission 34bd Marcoz B.P.193, 401 Mahajanga, Madagscar |
| 28. | Philipiness Mission (Montfort Technical Institute) P.O Box87, Kalibo, Pob, 5610-Aklan, Phillipnes |