Milikan Ele (Santa clara school) is a lottery school and open to enitre santa clara. So basically anywhere you live in Santa clara, you are eligible to apply in for Milikan. You are not guaranteed a spot in this school, becase of its lottery based enrollment.
Laurelwood (santa clara school)- a very good school, nice neighbourhhood of Sunnyvale - 94087 zip code, but I doubt you will get an SFH for 700k or under. Most houses here go for 800k.
Eisenhower (Santa clara neighbourhood, but Cupertino school district). Good school- look for zip code 95051.
Eisenhower - look for zip code 95129 (San Jose neighbourhood, but cupertino school) - casa view, rio vista ave .... area - you can find something in 750 range in this neigbhourhood.