Authentic Montessori schools do not practice partial Montessori. Some Montessori schools claim that they are Montessori but they do not practice mixed age grouping and 3 hr work cycle. A lot of parents in Singapore are uncomfortable with mixed age grouping hence a lot of Montessori schools still group their children as Nursery, K1 and K2. The 3 hour work cycle is necessary because children take time to settle down, to start choosing materials and working
