SAD 31 Home District CalendarDistrict Enfield Station School Hichborn Middle School More Directions The AOS 43 Office is located on the grounds of the Marion C. Cook School in LaGrange, Maine. From I-95 N: Use the Howland exit #217, travel west on Rte.155/6/LaGrange Rd. for 11.2 miles. The Marion C. Cook School is on the right just before Bennoch Rd. (Rte. 16) From I-95 S: Use the Old Town. exit #199 Take Rte.16W/Bennoch Rd. for 13 miles. Turn right onto Rte.155/6/LaGrange Rd. and then left into the Marion C. Cook School grounds. Copyright 2013 SAD#31. All rights reserved. This site uses cookies from Google to deliver its services and to analyze traffic. Information about your use of this site is shared with Google. By using this site, you agree to its use of cookies. LEARN MOREGOT IT