Michael Schoch, Answers questions on Noodle
Sycamore Elementary has an Education Quality grade of 87 and a Climate grade of 76 on its Noodle Report Card. Comparing these scores to other public schools in Orange, CA it looks like Sycamore is the second highest-rated institution next to Ousd Home School.
It's difficult to compare these ratings to private schools, so if you're interested in a private school, you may want to first read their Noodle profile and then call them directly.
While it's slightly outdated, you can read a local ranking of elementary schools in Orange at the Orange County Register.
Lastly, you may find this advice and help for finding a school useful as you continue your search.
Best of luck!