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St. Louis Old boys'
Association

Connecting generations of St. Louis alumni through friendship, shared memories and support for our school.

Latest News on SLOBA
Highlights
SLS Walkathon

SLS Centenary

Walkathon & Carnival

Celebrate 100 years of St. Louis School at the SLS Centenary Walkathon & Carnival on 31 January 2027. Join students, alumni, families and friends for a memorable day of community and celebration. Admission is free for everyone.

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SLS Cement Model PreOrder

St. Louis School Cement Model

A limited-edition cement model of the iconic Block A, with a wooden base, acrylic display cover and numbered commemorative card. 

Discover the details and preorder this centenary keepsake.

© 2026 St. Louis Old Boys’ Association. All rights reserved.

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