Smaller School = National Champs wrote:
Team ranking based on Wikipedia* enrollments (not current to 2017):
1. Carmel HS / Carmel, IN [Finished 10th] 4830 (coed enrollment)
2. Eleanor Roosevelt HS / Eastvale, CA [Finished 15th] 3868, coed
3. Great Oak HS / Temecula, CA [Finished 6th] 3621, coed
4. Wayzata HS / Plymouth, MN [Finished 11th] 3429, coed
5. Desert Vista HS / Phoenix, AZ [Finished 8th] 3037, coed
6. Flower Mound HS / Flower Mound, TX [Finished 14th] 2550, coed
7. Downers Grove North HS / Downers Grove, IL [Finished 4th] 2456, coed
8. Central Valley HS / Veradale, WA [Finished 13th] 2450, coed
9. Green Hope HS / Cary, NC [Finished 22nd] 2263, coed
10. Mountain Vista HS / Highlands Ranch, CO [Finished 3rd] 2032, coed
11. Christian Brothers Academy / Lincroft, NJ [Finished 7th] 2030 (1015 boys only, guess)
12. Middleton HS / Middleton, WI [Finished 16th] 1989, coed
13. The Bolles School / Jacksonville, FL [Finished 20th] 1800, coed
14. Saint Francis HS / Los Altos Hills, CA [Finished 9th] 1768, coed
15. Kamiakin HS / Kennewick, WA [Finished 17th] 1705, coed
16. Corning-Painted Post HS, Corning, NY [Finished 12th] 1624, coed
17. Fayetteville-Manlius HS / Manlius, NY [Finished 2nd] 1460, coed
18. Timpanogos HS / Orem, UT [Finished 21st] 1453, coed
19. Springville HS / Springville, UT [Finished 5th] 1450, coed
20. Xavier HS / Middletown, CT [Finished 18th] 1400 (700 boys only, guess)
21. Loudoun Valley HS / Purcellville, VA [Finished 1st] 1312, coed
22. Southlake Carroll HS / Southlake, TX [Finished 19th] 1289, coed
*Except Fayetteville-Manlius, where a better enrollment figure was used. NOTE: Two of the schools are boys only, so for the sake of comparisons the total enrollment was doubled for each of these two.