Madison Avenue School Staff 1958 Posted on May 12, 2014 by Donna Catterick Reply Madison Avenue School, El Cajon, California, Staff 1958. The only one I can identify is my mother, Harriet Claycomb, bottom row 4th from the right. She worked in the office. 32.794773 -116.962527 Share this:EmailFacebookPinterestLike this:Like Loading...