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Members of No. 1 Calvert Hall celebrate after beating No. 2 Gilman, 4-2, to win the Maryland Interscholastic Athletic Association A Conference championship at Ripken Stadium. (Algerina Perna, Baltimore Sun /May 20, 2013)
Boys lacrosse
| No. School | Record | Prev. |
| 1. Calvert Hall | 5-1 | 1 |
| 2. Gilman | 3-0 | 2 |
| 3. Loyola | 7-1 | 3 |
| 4. Boys' Latin | 7-1 | 4 |
| 5. St. Mary's | 5-2 | 5 |
| 6. Hereford | 3-1 | 8 |
| 7. McDonogh | 4-3 | 7 |
| 8. Severn | 3-1 | 9 |
| 9. St. Paul's | 2-5 | 6 |
| 10. Glenelg | 3-0 | 10 |
| 11. Winters Mill | 4-0 | 11 |
| 12. South River | 3-0 | 12 |
| 13. Archbishop Spalding | 3-2 | 14 |
| 14. Mount St. Joseph | 7-1 | 15 |
| 15. Fallston | 1-2 | 13 |
Other teams considered: Dulaney (4-0), Friends (3-1), Howard (4-0), Marriotts Ridge (2-1), Patterson Mill (2-2), Sts. Peter and Paul (4-0), Severna Park (3-1), Westminster (3-1)
Girls lacrosse
| No. School | Record | Prev. |
| 1. McDonogh | 3-0 | 1 |
| 2. Bryn Mawr | 5-0 | 2 |
| 3. Marriotts Ridge | 4-0 | 3 |
| 4. Notre Dame Prep | 4-0 | 4 |
| 5. Century | 4-0 | 6 |
| 6. Maryvale | 4-1 | 7 |
| 7. Severna Park | 3-0 | 8 |
| 8. St. Paul's | 2-2 | 14 |
| 9. South River | 3-0 | 10 |
| 10. John Carroll | 1-3 | 5 |
| 11. C. Milton Wright | 1-1 | 11 |
| 12. Mount de Sales | 4-2 | — |
| 13. Broadneck | 2-1 | 13 |
| 14. Roland Park | 2-2 | 9 |
| 15. Winters Mill | 3-1 | 15 |
Other teams considered: Catonsville (4-0), Dulaney (4-0), Fallston (1-1), Hereford (3-2), Mount Hebron (4-0), North Harford (2-1), Severn (2-4), Westminster (2-2)
Baseball
| No. School | Record | Prev. |
| 1. Calvert Hall | 10-1 | 1 |
| 2. Severna Park | 5-0 | 4 |
| 3. Gilman | 4-3 | 6 |
| 4. North Harford | 3-0 | 5 |
| 5. Westminster | 2-2 | 2 |
| 6. Glenelg | 5-0 | — |
| 7. Northeast | 4-1 | 7 |
| 8. Liberty | 4-0 | 11 |
| 9. C. Milton Wright | 3-1 | 13 |
| 10. Atholton | 2-3 | 8 |
| 11. Eastern Tech | 3-2 | 9 |
| 12. Franklin | 5-0 | 14 |
| 13. Patterson Mill | 3-1 | 10 |
| 14. Reservoir | 3-1 | 15 |
| 15. Arundel | 5-1 | — |
Other teams considered: Archbishop Curley (6-3), Archbishop Spalding (3-6), Century (3-2), City (3-1), Digital Harbor (3-1), Hereford (5-0), Howard (4-1), Loyola (6-5), South River (2-2)
Softball
| No. School | Record | Prev. |
| 1. Glen Burnie | 4-0 | 2 |
| 2. C. Milton Wright | 5-1 | 6 |
| 3. Glenelg | 4-0 | 5 |
| 4. Seton Keough | 2-1 | 4 |
| 5. Archbishop Spalding | 3-3 | 2 |
| 6. Broadneck | 4-1 | 8 |
| 7. North Carroll | 4-1 | 9 |
| 8. Howard | 2-1 | 10 |
| 9. Reservoir | 3-0 | — |
| 10. River Hill | 2-1 | — |
| 11. Severna Park | 4-2 | 7 |
| 12. Chesapeake-AA | 1-2 | 10 |
| 13. Landsdowne | 3-1 | — |
| 14. Eastern Tech | 4-1 | 12 |
| 15. Liberty | 5-0 | — |
Other teams considered: Bel Air (2-1), Catonsville (3-2), Mount Hebron (2-0), Mt. de Sales (2-2), North County (3-3)
Boys track and field
| No. School | Prev. |
| 1. Gilman | 1 |
| 2. Mount St. Joseph | 2 |
| 3. Digital Harbor | 3 |
| 4. Old Mill | 5 |
| 5. Reservoir | 4 |
| 6. Hereford | 6 |
| 7. Loyola | — |
| 8. Century | 8 |
| 9. Chesapeake-AA | 10 |
| 10. Wilde Lake | 9 |
Other teams considered: Catonsville, Franklin, Meade, Mount Hebron, Northwestern, Severna Park
Girls track and field
| No. School | Prev. |
| 1. McDonogh | 1 |
| 2. Liberty | 2 |
| 3. Hereford | 3 |
| 4. Meade | 5 |
| 5. Milford Mill | 4 |
| 6. Archbishop Spalding | — |
| 7. Old Mill | 7 |
| 8. Mount Hebron | 8 |
| 9. Severna Park | 10 |
| 10. Franklin | — |
Other teams considered: Arundel, Catonsville, Digital Harbor, Maryvale, Northwestern
How the polls are conducted: The Baltimore Sun polls are compiled weekly by the sports staff after observing events and consulting with coaches.
