I have experience with Northwestern's CTD and Stanford's EPGY online courses, but would like to hear about any of JHU's CTY online courses that allow kids to interact with each other online more for 3rd graders. Glad to hear about the Dog Stories course, thanks.
I also have experience with the summer courses at CTD and EPGY, which are of course more interactive but both allow students who have submitted a portfolio instead of test scores, so there were some students who were not highly gifted attending the courses.
