Rob Prosch has resigned as principal of South Whidbey High School.

District Superintendent Fred McCarthy said late Friday the resignation will be effective at the end of the school year.

“He indicated he had some other plans professionally,” McCarthy said.

The school board is expected to accept the resignation at the next board meeting on Feb. 24.

McCarthy said the district would not seek someone from outside the district to replace Prosch.

“It’s our intent to fill the position and restructure from within,” McCarthy said.

Prosch has been principal at South Whidbey High School for two years.