If you have not had the opportunity to get on the new Oklahoma Teacher Retirement System Personal Portal it is nifty. https://myotrs.trs.ok.gov/ Go to the portal and register. It takes a couple of weeks for the pin number to come in the mail. Type in a few things and the system shows numbers and a graph of retirement benefits. I still do not understand it at all but it is nice to be able to at least know what questions to begin asking.