The below is for District 5370 only (includes northern Alberta, a bit of Saskatchewan, NE BC and NWT). Age requirements vary per region so if you are NOT in this area please check.
For District 5370 recruiting that occurs fall 2017, (student will depart fall, 2018) the age requirement as follows:
“For the 2018-2019 exchange, all students will be considered eligible for the Rotary Youth Exchange program for District 5370 if born on or after January 1, 2001. The minimum age for eligibility is 15½ years of age.”