Simply follow the program of the elders, let the children associate as much as possible with the routine KC program, and when the others go out for working and business matters, the children can be given classes as you describe. They can learn our method of Krishna Consciousness by rising early, cleansing, plus knowledge of Sanskrit, English, a little Mathematics, history, geography, that's all.
Letter to Aniruddha, 7 March, 1972