SAPD police activity leads to an elementary school lockdown Posted on December 20, 2019 by Editor Posted in Crime, Education, Santa Ana, SAPD, SAUSD The SAPD is reporting police activity in the area of Maple & Walnut. A local school is on lockdown. The Advanced Learning Academy has an Elementary School near that location. Details to follow. Share this:FacebookTwitterLinkedInMoreEmailPinterestPrintRedditPocketTumblrLike this:Like Loading... Related Check out Santa Ana High School grad Becky Pedroza’s custom stickers on Etsy!