Conn. Gen. Stat. § 10-183hh

For purposes of calculating retirement benefits under the provisions of this chapter, service as a school nurse during the years 1970 to 1975, inclusive, shall be considered as credited service as a teacher during the same period, provided (1) such school nurse held a valid teaching certificate prior to 1970, (2) contributions to the Teachers Retirement Fund were made on behalf of such school nurse at the time of such school nurse's service, and (3) any such contributions which were returned to such nurse shall be repaid to the Teachers Retirement Fund. Any change in benefits which results from the application of this section shall be applied only to benefits which are paid after July 1, 1986.