Good teachers are the magic in the classroom.
Personal computers aren't magic, they are just a tool. What you need to make the educational process work is a good teacher who is knowledgeable in the subject and can get kids excited.
National Archives, Records of the Bureau of Indian Affairs, 1793 - 1989
When the Chairman of the Board of Intel Craig Barrett, Mr. Chips himself, speaks about science education, policymakers listen.
Know your stuff. Get kids excited. Magic happens.
Eduwonks might cringe at the word "magic"--magic is a tough thing to measure in our reductionist universe of norm-referenced assessments--but he gets the point across.