I don’t know if there’s anyone reason that cause an area to be more resilient to the falling price than another. Take a 2000 sq-ft house w/ about 5000-6000 sq-ft lot, in these areas for example, SV, North Mira Mesa, CV, PQ, and Scripps. This is how I see them right now: CV is 700-800k, PQ is 550-600k, SV is 650-750k, MM is 500-600k, and Scripps is 600-700k.
If the school is the main reason, then the order of pricing from highest to lowest should be CV, PQ, Scripps, SV/MM (same schools). Even though SV goes to schools in MM, which is the worse in this group, price wise, it seems to be holding up almost as well as CV.
If it’s about being closes to the beach, it should be CV/SV (similar distance), MM, PQ, Scripps.