sentences:  In the 1880s, a number of Malays led by Endut Senin, from the Kallang River were said to have moved to the island that began the thriving Malay community on the island.During the 1950s and 1970s, there were 2,000 residents living on the island and the island had its own schools.With a student population that once numbered 400, enrolment fell as Singapore developed and many islanders resettled onto the mainland.