All, here are two nice media hits on the ARISS radio contact for Challenger Learning Centers–with these stories being specific to the Challenger Learning Center of Maine:
Kids in Bangor reach for the stars by speaking to astronaut – News Center Maine
Bob Hines called in using amateur radio, giving kids at Challenger Centers across the country the opportunity to ask questions.
Challenger Maine campers speak with NASA Astronaut aboard ISS – WABI
The Challenger Center and the Amateur Radio on the ISS hosted the live conversation.