Lawmakers decided Salt Lake County no longer has a right to halt a vote on a proposed split of the Jordan School District.
A coalition of west-side cities and residents plans to file a lawsuit demanding a right to vote on the Jordan split.
Legislators postponed resolving questions about equalizing school-construction funds and instead called for a task force to study the issue.
Lawmakers passed a bill allowing a public vote on a school-district split if municipalities or counties representing 80 percent of the proposed new district approve.
Salt Lake County still has the right to block a proposed split of the Granite School District, since the county represents more than half the proposed new district.
Legislators passed a bill ensuring that Murray School District wouldn't automatically take over Cottonwood High School.
Lawmakers approved another bill that allows residents of Draper's SunCrest community to keep their children in Alpine schools if the Jordan District splits.
The bill also lets students slated to attend Cottonwood High remain in that school's boundary for six years if the Granite District splits.