Srila Prabhupada established the International Society for Krishna Consciousness to accomplish the preaching mission of Sri Chaitanya Mahaprabhu. Lord Chaitanya unveiled the benediction rays of the His sankirtana mission to illuminate the whole world with love of Godhead. Educational institutions train children to function in society, and because society is in constant flux, school constantly modify their teaching programs. But real knowledge doesn't change. Therefore the Krishna Consciousness movement presents the absolute knowledge of the Vedas in classrooms to show that Krishna Consciousness is based on science and not blind faith, sentimentalism, or speculation. The science of Krishna Consciousness includes also the means to directly experience absolute knowledge and a sublime goal by which everyone can become happy. When a devotee is invited to give a classroom presentation, he begins with kirtan, chanting the holy names of the Lord, and all the students can participate. Then he speaks for about thirty minutes on the philosophy of Krishna Consciousness and then answers the students' questions. Before he leaves, everyone gets prasadam, spiritual food, an invitation to a Sunday feast, and a chance to buy books at a reduced rate for students.
The teachers often write letters of appreciation and usually invite us to return year after year.