Spring Woods High School is located at:
2045 Gessner Dr
Volleyball events are held in the gyms which are accessible from the parking lot at an entrance shown as a single green marker in the map below along with all of the other Bellaire volleyball locations. Plenty of parking is available (when school is not in session) just to the south and east of the gym location shown in the map.
As with all Google Maps, you can zoom in, zoom out, show satellite images of an area, and click on map markers to get directions to and / or from the specified location.