His post as headmaster was taken over by Yeo Cheng Ho. At that time, the school faced two major problems: a shortage of classrooms and lack of funds. When Yeo Cheng Ho left for Kuching in 1937, his post was taken over by Lee Kui Choi until the Japanese occupation of British Borneo. Back then, the number of students had increased to 107 with seven teachers and four new classrooms. The British Government had started to support Saint Columba's School financially.