Teacher Jen Shafer of Colorado Springs, Colo., waves a placard during a rally against what protesters called "excessive" standardized testing in Colorado schools Wednesday, March 25, 2015, on the west steps of the state Capitol in Denver. 

(AP Photo/David Zalubowski)

Gov. John Hickenlooper signed a bill Wednesday morning to end some mandatory testing in early grades and late in high school. But the measure retains mandatory tests in language arts and math in 3rd through 9th grades.

The new law also gives local school districts the opportunity to craft their own student assessments. Fourteen districts from rural areas have told state education officials that they plan to craft their own tests.

The governor also signed a separate bill ratcheting back social studies testing. That measure allows social studies tests once every three years instead of annually.