The TRS  - Teacher Retirement System - is a pension like plan and the money that has been depositied during the marriage is subject to distribution in a divorce. The distribution order in known as a QDRO.  Now, as to his social security benefits, you don't receive half of his.  You receive benefits based upon his ability to receive them.A person can receive benefits as a divorced spouse on a former spouse’s Social Security record if he or she:Was married to the former spouse for at least 10 years;Is at least age 62 years old;Is unmarried; andIs not entitled to a higher Social Security benefit on his or her own record.How this works with TRS is best explained by ana ttorney in your area.  Good luck.