The Marsha Stern Talmudical Academy Yeshiva University High School for Boys (MTA) holds an open house. Registration, 9 a.m.; program at 9:30. 2540 Amsterdam Ave. Jono Fuchs, (212) 960-5400, ext. 6676, admissions@yuhsb.org. Register at http://yuhsb.org/openhouse.