Instructables has a page FULL of contests going on. Contests are for students aged 15 – 18.  Nice to add to the list of summer activities!  If you’re teaching summer school, spur them with this list to choose from.

3D Printing Contest ends June 22, 2015
Prizes:
FOURTEEN Grand Prize winners receive 3D printers and more

Coded Creations Contest
Ends May 18, 2015
Prize: Microsoft Bundle

Move It Contest
Ends June 8, 2015
Prize:  Canon 7D Kit

Mind for Design Contest
Ends May 25, 2015
Prize:  Computer & 3D printer

Crafting 101
Ends June 1, 2015
Prize:  Silhouette Cameo

Meat Contest
Ends June 22, 2015
Prize:  Supply of MEAT!

Backyard Contest
Ends June 1, 2015
Prize: Backyard party kit

K’NEX Contest
Ends May 25, 2015
Prize: 6 Foot Ferris Wheel Kit

Snack Contest
Ends May 18, 2015
Prize:  Munch Pack annual subscription

Hiding Places Contest
Ends June 15, 2015
Prize: Security System (4 cameras)

Paleo Recipes
Ends May 18, 2015
Prize: Food Dehudrator

Things That Fly
Ends June 1, 2015
Prize:  Phantom 2 quadcopter

Earrings
Ends May 18, 2015
Prize: Jewelry Making tools

Duct Tape
Ends May 25, 2015
Prize: iPad mini

Complete list of student contest