This week's top-10 Boys Lacrosse rankings are below, using data from the CHSAA Seeding Index through Mar. 22.
The Seeding Index is one of the main tools used to determine qualification and postseason seedings for all team sports. The rankings below are a snapshot as of this morning, but are updated hourly throughout the season.
To find the most recent rankings, which include all teams, visit the Seedings Index Page. The Seeding Index combines the MaxPreps and RPI rankings.
Class 5A
| Rank | Team | Rec. | Prev. | Change |
| 1 | Fairview | 2-0 | - | |
| 2 | Regis Jesuit | 4-0 | - | |
| 3 | Lakewood | 3-0 | - | |
| 4 | Legend | 3-0 | - | |
| 5 | Ralston Valley | 5-0 | - | |
| 6 | Arapahoe | 2-1 | - | |
| 7 | Grandview | 3-0 | - | |
| 8 | Cherry Creek | 2-2 | - | |
| 9 | Valor Christian | 3-2 | - | |
| 10 | Castle View | 2-1 | - | |
| View the full Class 5A rankings |
Class 4A
| Rank | Team | Rec. | Prev. | Change |
| 1 | Telluride | 5-1 | - | |
| 2 | Holy Family | 3-0 | - | |
| 3 | Evergreen | 3-1 | - | |
| 4 | Lutheran | 3-0 | - | |
| 5 | Grand Junction | 3-1 | - | |
| 6 | Air Academy | 6-0 | - | |
| 7 | Smoky Hill | 3-0 | - | |
| 8 | Mullen | 2-1 | - | |
| 9 | Fruita Monument | 3-1 | - | |
| 10 | Aspen | 4-0 | - | |
| View the full Class 4A rankings |