1) Professors or group leaders get 1 free with 15 paying and 2 free with 20 paying.
2) Participate in a class as a visiting Professor.
3) Participate as previewing Professor. (must qualify)
4) Internships – usually last 3 weeks to 3 months.
5) High School students who have attended TREC will come free if while in college they persuade a Professor to bring a group of 15 or more to TREC.