Just looking at the MaxPreps site and the leading rebounders in the high school ranks who reside in northern California in particular. They are:

1. Richard Walter (Sr) Sacramento Country Day H8igh (Sacramento, CA) 17.8

4. Andre McPhail (Sr) Deer Valley High (Antioch, CA) 15.0

8. Justin Dueck (Sr) Leland High (San Jose, CA) 14.7

20. Khari Swift (Sr) Arroyo High (San Lorenzo, CA) 13.9

21. Theoatis Hill (Jr) Marshall High (San Francisco, CA) 13.8

34. Jerrel Green (Sr) Bear Creek High (Stockton, CA) 13.0

39. Allen Cooper (Sr) Monte Vista Christian High (Watsonville, CA) 12.8

40. Randy Hamati (Sr) Pacific Union College Prep (Angwin, CA) 12.8

50. Kareem Lucas (Jr) Anchorpoint Christian High (Gilroy, CA) 12.3