HAMDEN, CT:  The Proto Group represented the landlord in leasing a portion of the former Sawyer School in Hamden at 1125 Dixwell Avenue.  The Institute of Professional Practice, which was represented by Wollman Realty of Kensington, will open an adult degree and after school programs for youth.  The space size was 5,521 SF and the 5-year lease value was in excess of $340,000.