Board set to approve Martinez as CHS principal Mike Christopherson Crookston Times Crookston Public Schools has made an offer to Nicki Martinez to be the next Crookston High School principal and she has verbally accepted. The school board meets on Monday, April 26 and a resolution on the agenda will be to approve her hiring. Martinez is currently the assistant principal at Laporte Public Schools, a position she’s held for the past two years. Laporte is a small town located in Hubbard County, southeast of Polk County. Prior to her current position, she taught English in the Detroit Lakes School District for 19 years.