If you're not ready to join in the fall most student organizations will allow members to join any time of the year. Not sure if a particular club is right for you? Go check out a meeting and determine if it's a good fit for your interests, hobbies, or professional goals. Don't hesitate to contact the student organization directly to find out meeting times and upcoming events schedules.
For a list of College of Education student organizations with contact information, as well as access to other options outside of the college, check out the Student Organizations section of this site.