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.
https://www.newscentermaine.com/article/news/local/kids-in-bangor-making-a-connection-to-space-maine/97-422d53cf-3d8c-449d-b4b9-6f2d5121df59
Challenger Maine campers speak with NASA Astronaut aboard ISS – WABI
The Challenger Center and the Amateur Radio on the ISS hosted the live conversation.
https://www.wabi.tv/2022/07/28/challenger-maine-campers-speak-with-nasa-astronaut-aboard-iss/