For the better part of the past decade, Sondra Berchtold has attended her fair share of Back to School Nights.She’s the mother of five children currently in Manteca Unified. Her three younger ones are at French Camp School – that’s where Berchtold served as a parent liaison – while Madison and Wyatt are a junior and sophomore, respectively, at East Union High. Her oldest is in college.She and her husband, Steve, always make time for Back to School Night.But this one was different.