Large school schools - 3/271. O'Fallon (7-1) vs. Alton (8-0) at Blazier Field, 4:30 p.m Tuesday.2. Edwardsville (4-0) vs. Collinsville (3-3) at Fletcher Field, 4:30 p.m Tuesday.3. Vianney (7-1) vs. Jackson (0-2) at Vianney, 2 p.m Today.4. CBC (4-2) at…