by David DuPont Many excellent educational choices ” both public and private ” are available in the Town of Mill Valley, California, which is one of the most sought-after towns in which to live within affluent Marin County. Among Public Elementary Schools: The five public elementary schools in Mill Valley include: Park School, 360 East Blithedale Ave., 415-389-7735; Tam Valley School, 350 Bell Lane, 415-389-7731; Old Mill School, 352 Throckmorton Ave., 415 -389-7727; Edna Maguire School, 80 Lomita Dr., 415-389-7733; and Strawberry Point School, 117 E.