Schools in Winthrop, Maine, the US. Schools locations in Winthrop, Maine. Find the nearest schools locations, near you. All types of business services Accounting Finance Insurance Lawyer Real estate School Travel All schools in Winthrop Adult Education School +1 207-377-2265 39 Highland Avenue, Winthrop, Maine 04364 Write a review Phone Website Directions Winthrop Grade School School +1 207-377-2241 23 Highland Avenue # A, Winthrop, Maine 04364 Write a review Phone Website Directions Winthrop Superintendent-School School +1 207-377-2296 17 Highland Avenue, Winthrop, Maine 04364 Write a review Phone Website Directions