• Ananda College - Colombo
• Bishop's College - Colombo
• Carey College - Colombo
• Colombo International School -Colombo
• Dharmaraja College
• Dharmaraja College OBU Melb. Australia
• Devi Balika Vidyalaya - Colombo
• D.S. Senanayake Vidyalaya - Colombo
• Elizabeth Moir School - Colombo
• Gateway International School - Colombo
• Hartley College - Jaffna
• Hindu College - Jaffna
• Joseph Vaz College - Wennapuwa
• Kegalu Vidyalaya - Kegalle
• Kingswood College - Kandy
• Ladies' College - Colombo
• Lumbini Vidyalaya - Colombo
• Maris Stella College - Negombo
• Musaeus College - Colombo
• Muslim Ladies College - Colombo
• Nalanda College - Colombo
• Overseas School, The - Colombo
• Prince of Wales College - Moratuwa
• Richmond College
• Royal College - Colombo
• St. Bridget's convent
• St. John's College - Jaffna
• St. Joseph's College - Colombo
• St. Sebestian's College
• St. Thomas' College - Colombo
• St. Thomas' Prep- Colombo
• Thurstan College
• Trinity College -Kandy
• Visakha Vidyalaya - Colombo
• Wesley College - Colombo
• Zahira College - Colombo

Others:

• Department of Examinations
• Basic Education Sector Programme
• Arthur C. Clarke Centre for Modern Technologies
• Colombo International School
• Industrial Technology Institute (ITI)
• National Institute of Business Management
• National Institute of Education
• Postgraduate Institute of Management (PIM)
• Postgraduate Institute of Science -University Of Peradeniya
• Sri Lanka Institute of Advanced Technical Education
• Sri Lanka Institute of Marketing
• Sri Lanka Television Training Institute
• Sri Lanka Standards Institution
• The National Institute of Education
• The Postgraduate Institute of Agriculture (PGIA)of the University of Peradeniya
  

    Alumni:
  D.S. Senanayake College Batch of '89