Laurelhurst is probably really good.
Most schools in that area should be good and have good performance, since it is an area of wealthy people.
You can find Laurehurst from http://www.seattleschools.org
Just go to that website and you can even check out test scores for different grades in each school, plus mix of student, white, black, Asian, American Indian and such and also mix of teachers.
You can also check out good schools from this website:
http://www.greatschools.net/city/Seattle/WA