Private
Radbumroongsilp School
โรงเรียนราษฎร์บำรุงศิลป์
Sena, Phra Nakhon Si Ayutthaya
Private school under the Office of the Private Education Commission in Sena, Phra Nakhon Si Ayutthaya.
Private
Radbumrungvit School
โรงเรียนราษฎร์บำรุงวิทย์
Photharam, Ratchaburi
Private school under the Office of the Private Education Commission in Photharam, Ratchaburi.
Private Higher education
Rajapark Institute
สถาบันรัชต์ภาคย์
Wang Thonglang, Bangkok
Private higher-education institute in Wang Thonglang, Bangkok.
Private
Rajapark Rajanujit School
โรงเรียนรัชต์ภาคย์ราชานุชิต
Wang Thonglang, Bangkok
Private school under the Office of the Private Education Commission in Wang Thonglang, Bangkok.
RU
Private Higher education
Rajapruk University
มหาวิทยาลัยราชพฤกษ์
Bang Kruai, Nonthaburi
Private university in Bang Kruai, Nonthaburi, with campuses in Pathum Thani and Phuket.
Private
Rajinibon School
โรงเรียนราชินีบน
Dusit, Bangkok
Private school under the Office of the Private Education Commission in Dusit, Bangkok.
Private
Rak Rian Phitthaya School
โรงเรียนรักเรียนพิทยา
Chum Phae, Khon Kaen
Private school under the Office of the Private Education Commission in Chum Phae, Khon Kaen.
RT
Private Vocational
Rak Tham Vocational College
วิทยาลัยอาชีวศึกษารักธรรม
Sawi, Chumphon
Private vocational college under the Office of the Vocational Education Commission in Sawi, Chumphon.
Private
Rak Witthaya School
โรงเรียนรักษ์วิทยา
Pran Buri, Prachuap Khiri Khan
Private school under the Office of the Private Education Commission in Pran Buri, Prachuap Khiri Khan.
Private
Raksa Rat Witon School
โรงเรียนรักษาราชวิตร
Bang Kho Laem, Bangkok
Private school under the Office of the Private Education Commission in Bang Kho Laem, Bangkok.
Private
Raksa Sap Phitthaya Kon (Na Di) School
โรงเรียนรักษาทรัพย์พิทยากร (นาดี)
Na Di, Prachin Buri
Private school under the Office of the Private Education Commission in Na Di, Prachin Buri.
Private
Raksa Sap Phitthaya Kon School
โรงเรียนรักษาทรัพย์พิทยากร
Kabin Buri, Prachin Buri
Private school under the Office of the Private Education Commission in Kabin Buri, Prachin Buri.
Private
Rang See Anoosorn School
โรงเรียนรังสีอนุสรณ์
Mueang Yala, Yala
Private school under the Office of the Private Education Commission in Mueang Yala, Yala.
Private
Rang Si Witthaya School
โรงเรียนรังษีวิทยา
Fang, Chiang Mai
Private school under the Office of the Private Education Commission in Fang, Chiang Mai.
Private
Rang Si Witthaya School
โรงเรียนรังษีวิทยา
Khanu Woralaksaburi, Kamphaeng Phet
Private school under the Office of the Private Education Commission in Khanu Woralaksaburi, Kamphaeng Phet.
Private
Rangsan Witthaya School
โรงเรียนรังสรรค์วิทยา
Tak Fa, Nakhon Sawan
Private school under the Office of the Private Education Commission in Tak Fa, Nakhon Sawan.
Private Early years
Rangsit Kindergarten School
โรงเรียนอนุบาลรังสิต
Thanyaburi, Pathum Thani
Private kindergarten under the Office of the Private Education Commission in Thanyaburi, Pathum Thani.
RU
Private Higher education
Rangsit University
มหาวิทยาลัยรังสิต
Mueang Pathum Thani, Pathum Thani
Private university in Mueang Ake, Pathum Thani, founded in 1985, offering a broad range of programmes including medicine.
Private
Rangsitwittaya School
โรงเรียนรังสิตวิทยา
Mueang Pathum Thani, Pathum Thani
Private school under the Office of the Private Education Commission in Mueang Pathum Thani, Pathum Thani.
Private
Raphi Loet Witthaya School
โรงเรียนรพีเลิศวิทยา
Mueang Lamphun, Lamphun
Private school under the Office of the Private Education Commission in Mueang Lamphun, Lamphun.
Private
Rat Bamrung School
โรงเรียนราษฎร์บำรุง
Mueang Phichit, Phichit
Private school under the Office of the Private Education Commission in Mueang Phichit, Phichit.
Private
Rat Bamrung School
โรงเรียนราษฎร์บำรุง
Ranot, Songkhla
Private school under the Office of the Private Education Commission in Ranot, Songkhla.
Private
Rat Bamrung Witthaya School
โรงเรียนราษฎร์บำรุงวิทยา
Don Tum, Nakhon Pathom
Private school under the Office of the Private Education Commission in Don Tum, Nakhon Pathom.
Private
Rat Niyom Witthaya School
โรงเรียนราษฎร์นิยมวิทยา
Ranot, Songkhla
Private welfare-education school under the Office of the Private Education Commission in Ranot, Songkhla.
Private
Rat Pracha Sama Sai School under Royal Patronage
โรงเรียนราชประชาสมาสัย ในพระบรมราชูปถัมภ์
Phra Pradaeng, Samut Prakan
Private school under the Office of the Private Education Commission in Phra Pradaeng, Samut Prakan.
Private
Rat Prachanukhro School
โรงเรียนราษฎร์ประชานุเคราะห์
Sai Buri, Pattani
Private Islamic school under the Office of the Private Education Commission in Sai Buri, Pattani.
Private
Rat Pradit Witthaya School
โรงเรียนราษฎร์ประดิษฐ์วิทยา
Sattahip, Chon Buri
Private school under the Office of the Private Education Commission in Sattahip, Chon Buri.
Private
Rat Suksa School
โรงเรียนราษฎร์ศึกษา
Mueang Saraburi, Saraburi
Private school under the Office of the Private Education Commission in Mueang Saraburi, Saraburi.
Private
Rat Ta Witthaya School
โรงเรียนรัชตะวิทยา
Mueang Yala, Yala
Private school under the Office of the Private Education Commission in Mueang Yala, Yala.
Private
Rat Wat Witthaya School
โรงเรียนราชวัตรวิทยา
Dusit, Bangkok
Private school under the Office of the Private Education Commission in Dusit, Bangkok.
Private
Rat Witthaya (Timing) School
โรงเรียนราษฎร์วิทยา(ตี่มิ้ง)
Mae Sot, Tak
Private school under the Office of the Private Education Commission in Mae Sot, Tak.
Private
Rat Witthaya School
โรงเรียนราษฎร์วิทยา
Taphan Hin, Phichit
Private school under the Office of the Private Education Commission in Taphan Hin, Phichit.
Private
Rat Witthaya School
โรงเรียนราษฎร์วิทยา
Mueang Phetchaburi, Phetchaburi
Private school under the Office of the Private Education Commission in Mueang Phetchaburi, Phetchaburi.
Private
Rat Witthaya School
โรงเรียนราษฎร์วิทยา
Mueang Narathiwat, Narathiwat
Private school under the Office of the Private Education Commission in Mueang Narathiwat, Narathiwat.
Private
Ratbumrung Aksorn School
โรงเรียนราษฎร์บำรุงอักษร
Tha Maka, Kanchanaburi
Private school under the Office of the Private Education Commission in Tha Maka, Kanchanaburi.
RB
Private Vocational
Ratchaburi Borihan Thurakit School
โรงเรียนราชบุรีบริหารธุรกิจ
Mueang Ratchaburi, Ratchaburi
Private vocational college under the Office of the Vocational Education Commission in Mueang Ratchaburi, Ratchaburi.
RT
Private Vocational
Ratchaphruek Technological College
วิทยาลัยเทคโนโลยีราชพฤกษ์
Det Udom, Ubon Ratchathani
Private vocational college under the Office of the Vocational Education Commission in Det Udom, Ubon Ratchathani.
Private Higher education
Ratchathani University
มหาวิทยาลัยราชธานี
Mueang Ubon Ratchathani, Ubon Ratchathani
Private university in Ubon Ratchathani, founded in 1993, with a second campus in Udon Thani.
RT
Private Vocational
Ratphak Technological College
วิทยาลัยเทคโนโลยีรัชต์ภาคย์
Mueang Nakhon Si Thammarat, Nakhon Si Thammarat
Private vocational college under the Office of the Vocational Education Commission in Mueang Nakhon Si Thammarat, Nakhon Si Thammarat.
Private
Ratsami Sathapana School
โรงเรียนรัศมีสถาปนา
Mayo, Pattani
Private Islamic school under the Office of the Private Education Commission in Mayo, Pattani.
Private Higher education
Rattana Bundit University
มหาวิทยาลัยรัตนบัณฑิต
Bang Kapi, Bangkok
Private university on Lat Phrao Soi 107, Bang Kapi, Bangkok, founded in 1997.
Private
Rattana Suksa School
โรงเรียนรัตนศึกษา
Ban Mi, Lop Buri
Private school under the Office of the Private Education Commission in Ban Mi, Lop Buri.
Private
Rattana Suksa School
โรงเรียนรัตนศึกษา
Thung Song, Nakhon Si Thammarat
Private school under the Office of the Private Education Commission in Thung Song, Nakhon Si Thammarat.
Private
Rattana-uea Witthaya School
โรงเรียนรัตนาเอื้อวิทยา
Fang, Chiang Mai
Private school under the Office of the Private Education Commission in Fang, Chiang Mai.
Private
Rattanabandit Witthaya School
โรงเรียนรัตนบัณฑิตวิทยา
Bang Kruai, Nonthaburi
Private school under the Office of the Private Education Commission in Bang Kruai, Nonthaburi.
RT
Private Vocational
Rattanakosin Technological College
วิทยาลัยเทคโนโลยีรัตนโกสินทร์
Lak Si, Bangkok
Private vocational college under the Office of the Vocational Education Commission in Lak Si, Bangkok.
Private
Rattanapaisal School
โรงเรียนรัตนไพศาล
U Thong, Suphan Buri
Private school under the Office of the Private Education Commission in U Thong, Suphan Buri.
Private
Rattanasuksa School
โรงเรียนรัตนศึกษา
U Thong, Suphan Buri
Private school under the Office of the Private Education Commission in U Thong, Suphan Buri.
