We’ll cherish the School of our Youthful Years

Alumni portal of the students of the School by the Roaring Billows

We’ll cherish the School of our Youthful Years

Alumni portal of the students of the School by the Roaring Billows
Upcoming Events

May

17

44th Annual General Meeting
The 44th Annual General Meeting (AGM) of the S. Thomas’ Preparatory School Old Boys’ Union (STPS…

Jun

15

OBU 43rd Annual General Meeting
OBU Rules that the 43rd Annual General Meeting (AGM) of the S.Thomas’ Preparatory School Old Boys’…

Oct

07

Honouring Our Legends
Retired Teachers Felicitation & Alumni Reunion. Reserve your confirmation
1 2 3
Latest News
The Brotherhood of Prep
Prepites Past For Prepites Present, & Prepites of The Future! The S. Thomas' Preparatory School Old…
Handing over of Sporting Goods & Training Equipment by The STPS OBU
The S. Thomas' Preparatory School Old Boys' Union handed over much needed sporting goods & sports…
The Global Scout Bicycle Jamboree 2022
The Global Scout Bicycle Jamboree is the newest concept in creating a green world, with the…
UPCOMING EVENTS
LATEST NEWS

May

17

44th Annual General Meeting
The 44th Annual General Meeting (AGM) of the S. Thomas’ Preparatory School Old Boys’ Union (STPS…
View More

Jun

15

OBU 43rd Annual General Meeting
OBU Rules that the 43rd Annual General Meeting (AGM) of the S.Thomas’ Preparatory School Old Boys’…
View More

Oct

07

Honouring Our Legends
Retired Teachers Felicitation & Alumni Reunion. Reserve your confirmation
View More
1 2 3
The Brotherhood of Prep
Prepites Past For Prepites Present, & Prepites of The Future! The S. Thomas' Preparatory School Old…
View More
Handing over of Sporting Goods & Training Equipment by The STPS OBU
The S. Thomas' Preparatory School Old Boys' Union handed over much needed sporting goods & sports…
View More
The Global Scout Bicycle Jamboree 2022
The Global Scout Bicycle Jamboree is the newest concept in creating a green world, with the…
View More
E-SHOP

Parker Pen

A ballpoint pen perfect for daily use with a luxury finish. This Parker IM ballpoint pen is the ideal pen for scribbling ideas down at work or making notes during lectures.

This easy to use pen comes steeped in over 60 years of Parker history.

Finished in black stainless steel with gold accents and a signature Parker arrowhead clip with the School crest engraved.

Rs 

රු4,000

3 in stock

S. Thomas' Preparatory School Desk Calendar (2025)

S. Thomas' Preparatory School First Ever Desk Calendar for the year 2025, With pictures of school events.

Rs 

රු500

20 in stock

OBU Tie

Official S. Thomas' Preparatory School Old Boys' Union Tie

Rs 

රු2,500

19 in stock

Parker Pen

A ballpoint pen perfect for daily use with a luxury finish. This Parker IM ballpoint pen is the ideal pen for scribbling ideas down at work or making notes during lectures.

This easy to use pen comes steeped in over 60 years of Parker history.

Finished in black stainless steel with gold accents and a signature Parker arrowhead clip with the School crest engraved.

Rs 

රු4,000

3 in stock

S. Thomas' Preparatory School Desk Calendar (2025)

S. Thomas' Preparatory School First Ever Desk Calendar for the year 2025, With pictures of school events.

Rs 

රු500

20 in stock

OBU Tie

Official S. Thomas' Preparatory School Old Boys' Union Tie

Rs 

රු2,500

19 in stock

FACEBOOK FEED
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With deep sorrow, we mourn the passing of Ishanth Ratwatte an alumnus from Class of 1990. The funeral was held today (31st December 2025). We extend our sincere condolences to his family during this difficult time. Our thoughts and prayers are with you. ... See MoreSee Less

With deep sorrow, we mourn the passing of Ishanth Ratwatte an alumnus from Class of 1990. The funeral was held today (31st December 2025). We extend our sincere condolences to his family during this difficult time. Our thoughts and prayers are with you.

Comment on Facebook

May his soul rest in peace

May he rest in peace and rise in glory!

May his soul Rest In Peace and rise in glory 🙏I was his first class teacher at Prep

Very sorry to hear of his demise. May he Rest in peace.

May his soul rest in peace

Gosh sad to hear

Rest in peace

Rest in peace 🙏

Rip

May you Rest in peace bro

Rip

May his Soul Rest in Peace .

May you rest in eternal peace

May his soul rest in peace!

Sincere condolences from Reverend Eydie Felsburg O'Leary

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We are saddened to inform the Prep community of the passing of Mr. N. Mylvaganam, a former teacher of Tamil and History and Sectional Head of the Middle School at Prep. He passed away on 26th December after a brief illness. Those who studied under him will remember his calm manner, kindness, and dedication to his students. Funeral rites were held on 28th December 2025 at his residence in Jaffna. We extend our sincere condolences to his family and loved ones. ... See MoreSee Less

We are saddened to inform the Prep community of the passing of Mr. N. Mylvaganam, a former teacher of Tamil and History and Sectional Head of the Middle School at Prep. He passed away on 26th December after a brief illness. Those who studied under him will remember his calm manner, kindness, and dedication to his students. Funeral rites were held on 28th December 2025 at his residence in Jaffna. We extend our sincere condolences to his family and loved ones.

Comment on Facebook

May your soul rest in peace and rise in heaven

Rest in Peace sir 🙏

Rip sir😥

May his soul Rest in Peace

May his soul rest in peace

RIP 🙏🙏🙏

Ohm shanthy.

May his soul RIP 🙏

RIP

Rip

A fantastic teacher fondly remembered by his students.

May his soul rest in peace

May his soul rest in peace!

May his soul Rest in peace 🙏🏽.

May his soul rest in eternal peace

Rip

May his soul rest in peace

RIP

Omsanthi

DEEPEST SYMPATHESE

May His Soul Rest in Peace 🙏

May his soul rest in eternal peace 🙏🏻

May his soul rest in peace! 🙏

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With deep sorrow, we mourn the passing of Mrs. Marlene Jayasuriya, former teacher of S. Thomas’ Preparatory School and a cherished member of the Prep community. She is the beloved mother of Monroe Jayasuriya (1999 Batch) and the loving sister of Ms. Blodwen Weeratunga, who also served as a teacher at Prep. The funeral service will be held at the Church of SS. Mary & John, Nugegoda, on Saturday 27th December at 4.30 p.m., followed by cremation at Kohuwala Cemetery at 6.00 p.m. We extend our heartfelt condolences to the family and pray that her soul may rest in peace. ... See MoreSee Less

With deep sorrow, we mourn the passing of Mrs. Marlene Jayasuriya, former teacher of S. Thomas’ Preparatory School and a cherished member of the Prep community. She is the beloved mother of Monroe Jayasuriya (1999 Batch) and the loving sister of Ms. Blodwen Weeratunga, who also served as a teacher at Prep. The funeral service will be held at the Church of SS. Mary & John, Nugegoda, on Saturday 27th December at 4.30 p.m., followed by cremation at Kohuwala Cemetery at 6.00 p.m. We extend our heartfelt condolences to the family and pray that her soul may rest in peace.

Comment on Facebook

Rest In peace and rise in glory Heartfelt condolences to Monroe and family

RIP

May her soul rest in peace

May she R. I. P.

May her soul rest in peace! 🙏

RIP 🙏🙏🙏

Rest in peace

Rest in peace

May She rest in eternal peace

My Deepest Sympathy Rest in Peace

May her soul rest in peace and rise in heaven.

Rip 🙏

Rest in peace

May her soul rest in peace and rise in glory

Omsanthi

View more comments

Wishing the entire Prep community — Alumni , students, teachers, staff, parents, and friends — a blessed and joyful Christmas. May this season of peace and goodwill bring happiness to your homes and hearts. Warm Christmas wishes from the S. Thomas’ Preparatory School Old Boys’ Union 🎄✨

#MerryChristmas #PrepCommunity #PrepOBU #SeasonOfJoy #ChristmasAtPrep #PeaceAndGoodwill
... See MoreSee Less

Wishing the entire Prep community — Alumni , students, teachers, staff, parents, and friends — a blessed and joyful Christmas. May this season of peace and goodwill bring happiness to your homes and hearts. Warm Christmas wishes from the S. Thomas’ Preparatory School Old Boys’ Union 🎄✨

#MerryChristmas #PrepCommunity #PrepOBU #SeasonOfJoy #ChristmasAtPrep #PeaceAndGoodwill

... See MoreSee Less

Comment on Facebook

Congratulations and best wishes Gihan

Congratulations and all the best

Congratulations!🙏

Congratulations Gihan 💐 so happy and proud of you

🎊🎉🍾 Congratulations 🎉🍾🎉🎊

Congratulations Gihan!

Congratulations to you from another St. Thomas' Prep old boy . We are proud of you. Rizvi Rawoof UK

Congratulations best wishes

Congratulations & best wishes 🙏

View more comments

A glimpse from Nine Lessons & Carols 🎄✨ | 14 Dec | St Michael’s, Polwatte ... See MoreSee Less

A meaningful and successful Festival of Nine Lessons & Carols was held on 14th December at The Church of St Michael’s & All Angels Polwatte

Our sincere thanks to The Rev’d Nihal Fernando (Headmaster), The Rev’d Andrew Devadason (Chaplain), Harin Amirthanathan (Master of the Choristers), Denham Pereira (Organist), and M. M. M. I. Mawelle (Head Chorister ’25) for delivering an exceptional service.

Special mention to OBU ExCo Member Mr. Senaka Rathnayaka for reading the Seventh Lesson on behalf of the Alumni.

#NineLessonsAndCarols #STPS #PrepOBU #ChristmasTradition #FaithAndFellowship #Community
... See MoreSee Less

A meaningful and successful Festival of Nine Lessons & Carols was held on 14th December at The Church of St Michael’s & All Angels Polwatte

Our sincere thanks to The Rev’d Nihal Fernando (Headmaster), The Rev’d Andrew Devadason (Chaplain), Harin Amirthanathan (Master of the Choristers), Denham Pereira (Organist), and M. M. M. I. Mawelle (Head Chorister ’25) for delivering an exceptional service.

Special mention to OBU ExCo Member Mr. Senaka Rathnayaka for reading the Seventh Lesson on behalf of the Alumni.

#NineLessonsAndCarols #STPS #PrepOBU #ChristmasTradition #FaithAndFellowship #CommunityImage attachmentImage attachment+3Image attachment
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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.
© 2025 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 : prepobuadmin@prepobu.lk

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