CORTEZ, Colo. (CBS4) – A Colorado school district says they’re facing a critical teacher shortage.

The Durango Herald reports the Cortez School District is in need of teachers after 31 staff members resigned at the end of the school year.

READ MORE: Denver City Council Plans Final Vote On Flavored Tobacco Ban

Board members are struggling to fill more than a dozen positions that remain open.

They say employees quit over salaries, stress, and health concerns.

READ MORE: CPW Begins Wildlife Surveys From Low-Altitude Helicopter

(credit: Cortez Journal)

Schools could make use of a newly signed bill to help fill the openings.

MORE NEWS: State Trooper Shoots At Suspect On I-25, Woman Arrested After Pointing Gun At Officer

It would allow rural schools to hire retired employees to cover shortage.s