TICONDEROGA The Ticonderoga Elementary and Middle Schools is open from 3:30 to 5:30 p.m. for senior citizens who want to exercise by walking. People should enter the building through the Middle School entrance. Room 1 will be available for changing into walking shoes and a place to put coats and hats. Seniors can register at the Ticonderoga Middle School office at 585-7442, ext. 216. This is available only during days school is in session.