The locations below are best found using the following directions.  The directions from Mapquest were either confusing or misleading.

 

Mount San Antonio College Take HWY 62 to I-10 West.
I-10 West to 57 South.
Exit Temple and turn right.
Take Temple 2-3  miles.
Stadium is on the left, parking is on the right.
Silver Valley High School
Take Hwy 247 N (Old Woman Springs) to I-15 North.
I-15 North 8 miles past Barstow,
Exit Ghost Town Road off ramp and turn right.
School is on Right.