Here is the full list of all 11 Mighty Switch Force! Academy achievements.
Par 10 "Courses"
Beat all five "Classic" stages
Par one "Course"
Beat Course.20
Par all 20 "Courses"
Par 10 "Courses" with 2 more more players
Par 4 "Courses" with 4 players
Complete 3 matches of VS. Mode
Destroy all blocks in Course.04
Shoot a "spider" enemy out of the air
Kick a "Bomb Baby" in VS. Mode