Summer Institute for the Gifted (SIG), 2024
https://www.giftedstudy.org/

3-week courses, on-campus, for elementary, middle, high school.
Courses are grouped by grade level:
early elementary. . . . grades 1, 2, 3
elementary. . . . . . . . grades 4 & 5
middle school. . . . . . grades 6, 7, 8
high school. . . . . . . . grades 9, 10, 11, 12

Pre-college summer programs
https://www.summerdiscovery.com/