Collins Chinese Dictionary Plus (3rd edition), 2011:
因材施教 yīn cái shī jiào teach according to one's student's ability
- 教师(師)在教学(學)时(時)应(應)尽(盡)量因材施教。 Jiàoshī zài jiàoxué shí yīng jǐnliàng yīn cái shī jiào. Teachers, when teaching, ought as far as possible to teach students according to their abilities.