Portland and North Carolina, No. 4 and No. 5 in this week's Soccer America Women's Top 25, are No. 1 and No. 2 in the first NCAA Women's Division I RPI index the NCAA released this fall.

(Click here for the complete women's RPI.)
(Click here for the complete men's RPI.)

Soccer America No. 1 Notre Dame is No. 5 in the RPI index, while No. 2 Stanford is No. 3. SA No. 3 UCLA is 11th in the RPI rankings.

The RPI -- Ratings Percentage Index -- is the most important of the criteria it uses to determine the 48-team field for the NCAA Division I Men's Tournament. The RPI is a mathematical formula designed to objectively compare results and strength of schedule.

WOMEN'S RPI (TOP 25)
1 Portland (WCC)
2 North Carolina (ACC)
3 Stanford (Pac-10)
4 Texas A&M (Big 12)
5 Notre Dame (Big East)
6 Duke  (ACC)
7 Florida (SEC)
8 Boston College (ACC)
9 Florida St.  (ACC)
10 Rutgers (Big East)
11UCLA  (Pac-10)
12 Oklahoma St. (Big 12)
13 Texas (Big 12)
14 Illinois (Big Ten)
15 Virginia (ACC)
16 Colorado (Big 12)
17 USC (Pac-10)
18 Penn St. (Big Ten)
19 California  (Pac-10)
20 Washington (Pac-10)
21Wake Forest (ACC)
22 Missouri (Big 12)
23 South Carolina (SEC)
24 TCU (Mountain West)
25 Long Beach St. (Big West)