The phrase means to cater or provide for the different requirements, abilities and interests of one's students. It implies that a teacher should be able to adapt their teaching methods and materials in order to accommodate the varying learning styles, levels and preferences of each student in their classroom. This could involve using visual aids, hands-on activities or individualized instruction for those who need extra help, as well as providing challenging material for advanced students. The goal is to ensure that every student has an opportunity to learn and succeed according to their own unique abilities.