According to the CalSTRS website :
CalSTRS 2% at 60: For those hired on or before December 31, 2012:
- As early as age 50 with at least 30 years of service credit.
- At age 55 with at least five years of service credit
CalSTRS 2% at 62: For those hired on or after January 1, 2013:
- At age 55 with at least five years of service credit
