The summertime presents a great opportunity for students to take time to explore their career interests with or without their families. Not everyone has ready access to internships, and summer jobs are often loaded with menial tasks (and poorly compensated). Think about Summer Camps. Rensselaer and WPI are internationally renowned engineering universities, and located on the east coast (New York and Massachusetts. Embry-Riddle (in Arizona) is world renowned in Aeronautics. All run some fantastic hands-on programs.
http://summer.rpi.edu/update.do?artcenterkey=113
https://www.wpi.edu/academics/k12/summer.html
http://prescott.erau.edu/degrees/summer-camps/index.html
http://www.oxbridgeprograms.com/academics/
http://summer.berkeley.edu/student-types/high-school-students
http://www.seasoasa.ucla.edu/high-school/high-school-summer-research-program
https://epic.calpoly.edu
http://cosmos.ucdavis.edu
http://collegeapps.about.com/od/extracurricular/tp/summer-programs-engineering.htm
http://www.asee.org/fellowship-programs/high-school
http://cosmos.ucdavis.edu/other.htm