Brothers of St. Gabriel's Golden Jubilee Mass. Joint contingents from all Gabrielite institutions at Ang Mo Kio Stadium on 25 April 1987. Additional info provided by cataloguer: The Brothers of St Gabriel arrived in Singapore in 1936. They established and ran seven schools and institutions in Singapore, namely Montfort Primary and Secondary, St. Gabriel's Primary and Secondary, Assumption English Secondary, Assumption Vocational Institute and Boys' Town.