Typical ratios hover round 1:10 for preschoolers, with mixed-age school rooms, established exercises
https://anotepad.com/notes/yp7ttb22
Typical ratios hover around 1:10 for preschoolers, with blended-age lecture rooms, structured workouts, and arms-on STEAM events making use of low-budget components like blocks, sensory packing containers, and guided artwork.