Atlantic High School principal not returning next school year, district says Unclear why Tara Dellegrotti leaving post Copyright 2021 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed. WPTV and last updated 2021-06-23 19:11:35-04 DELRAY BEACH, Fla. â Atlantic High School in Delray Beach is looking for a new principal to lead the school this fall. The School District of Palm Beach County sent a letter to parents and students Wednesday that said Tara Dellegrotti, the current principal, would not return next school year. According to Dellegrotti's LinkedIn page, she has been principal at the school since 2015.