List of Secretaries

Mr. W.T. (Tommy) Ellawala
1978 – 1992
Mr. Anomal De Soysa
1992 – 1999
Mr. Johanne De Zilwa
1999 – 2011
Mr. Chrishmal Warnasuriya
2011 – 2016
Mr. Kishan De Silva
2016 – 2019
Imran Hassan
2019 – 2020
Raj Rasiah
2020 - 2022
Sithambaram Sri Ganendran
2022 onwards
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.
© 2022 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 : 0112 323 976
Email : prepobuadmin@prepobu.lk

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