Useful school web sites, locally and nationally.

Convenient search for a school by address in California at: 

Palo Alto Schools: 
- School locator, attendance boundaries, etc...

Mountain View: 
Mountain View Whisman School District
Mountain View Elem. schools boundaries  (guide) 

Los Altos:
Los Altos School District,  ... and (multi layered) attendance boundaries  
Los Altos High School; and (high school) attendance boundaries/School finder
Sunnyvale schools,   ...and attendance – School finder

Cupertino Union School district,  Elementary Schools,  and Middle Schools.  

West Valley Elementary School  –  Cupertino Middle School  – Homestead High School.
Cupertino: Fremont Union High School district.
Cupertino: school lookup by address
Campbell Union School District and school locator   
Moreland School District, 
Menlo Park:  City school district - School Locator.
Menlo-Atherton high school
Santa Clara:
Santa Clara Unified school district, and School DirectorySchool Locator.

International schools:
   - French School in Sunnyvale: FASSV
   - French School in Palo Alto: ISTP
   - German International School of the Silicon Valley, in Mountain View. 
API Results - (2013 and before) - area schools - API results County-wide  -   (Before 2013)
CAASPP - California Assessment of Student Performance and Progress Results  (for post-2013 assessments).  
Santa Clara County:
Santa Clara County Office of Education - School District Locator
San Mateo County:
San Mateo County Office of Education
Ratings: ratings of local schools.
To find out what are the schools for a specific address: enter your address on:  Boundaries map
Note: please double check when in doubt.
Another useful site for public schools:  (thank you Wesley ;-) for the contribution)
Local Schools Directory, Public and Private
"Chosing the Right School" guide by
IES: Search for schools, by City, zip code, name....

Online Colleges: