Is this a community college? Excuse the brashness but you're using Construct 2 for everything but it's intended use?
Web design, use DreamWeaver. Animation use Maya and Flash.
I can't offer anything of value to the discussion, I'm not an educator, but I did use C2 with a bunch of non-programming business students to create a web-app; they loved the simplicity.
I'd love Scirra to whack some promotion material around to schools, especially KS2/3, I can't see how the program wouldn't be a hit and the government is always going about how it wants to encourage kids to embrace the computer, look at Raspberry Pi