Castro Valley High School is hosting the first-ever Trojan Flea Market on Saturday, April 15th from 8 am to 12 pm. Everyone is welcome to come shop or become a vendor to share your club/organization/business with the community. Individuals are also allowed to donate small items that are in good condition. Vendor applications must be filled out before April 1st. It will be at Castro Valley High School (19400 Santa Maria Ave.) in the Mabel Avenue parking lot near the pools.