Competitions, this will get interest especially if there is a prize.
Possible Topics:
Web Design
Computer Game (graphical or MUD) programming
Computer Architecture (think A+)
A robotics competition will have less participation.
To promote a wide range of participants, you could do a technology fair, where they research current technology and comp sci in order to brainstorm future applications of this technology.
Slashdot Mirror
Competitions, this will get interest especially if there is a prize. Possible Topics: Web Design Computer Game (graphical or MUD) programming Computer Architecture (think A+) A robotics competition will have less participation. To promote a wide range of participants, you could do a technology fair, where they research current technology and comp sci in order to brainstorm future applications of this technology.