La Center school superintendent to retire at end of 2020-21 school year Published: February 3, 2021, 6:05am Share: La Center School District superintendent Dave Holmes announced he'll retire at the end of the 2020-21 school year after serving as superintendent since 2016. (Amanda Cowan/The Columbian) La Center will have a new school district leader come next school year. Dave Holmes, district superintendent since 2016, announced he’ll retire from the La Center School District at the end of the 2020-21 school year after a 30-year career in education. The school board voted last week to enter contract negotiations with Pete Rosenkranz, La Center’s current assistant superintendent, to be Holmes’ successor effective July 1.