Membership Application




Sports/Extra-Curricular Activities


(Size 3.5cm X 4.5cm and Max file size - 5MB)

(Please upload any of school leaving certificate, O/L result sheet, sports meet certificate or even a letter from a classmate by confirming you were in school.)

Life Membership Fees

(i) Applicants between the age of 16 to 23: Rs. 1,000/- & Processing fee Rs. 500/- (Total Rs. 1,500/-)

(ii) Applicants above the age of 23: Rs. 2,500/- & Processing fee Rs. 500/ - (Total Rs. 3,000/-)

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S. Thomas' Preparatory School
Old Boys' Union
The S. Thomas’ Preparatory School Old Boys’ Union (OBU), an association comprising of past prepites, was formed on May 12th 1978, coinciding with the commemoration of the 40th Anniversary of the school. Its aim and purpose are to assist and aid the school when called upon to do so, with the collective assistance of its old boys, and to instill a sense of brotherhood and camaraderie amongst the students who have had the privilege of studying there, and since left.
© 2023 S. Thomas' Preparatory School Old Boys’ Union.
All Rights Reserved.
Contact Details
The Administrative Office,
S. Thomas' Preparatory School Old Boys' Union,

Address : No. 98, Steuart Place, Galle Road, Colombo 03.

Tel : 071 77 37 628
Email :

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