Chronister was elected to the Kansas House of Representatives in 1978.[2] She would serve from 1979 to 1995.[3] She served as Assistant Majority Leader of the House from 1983 to 1986, and was the first women in a Kansas House leadership position.[2]
Chronister, a longtime leader of Moderate Republicans in the Kansas house was selected as the State Republican Party Chairwomen in 1989. Later that year she demanded the resignation of the head of the Kansas Bureau of Investigation, David E. Johnson, following the breaking of a scandal that he told a racist joke to two reporters from The Kansas City Times going as far as pen a letter to Kansas Attorney General Robert Stephan demanding his removal. She would never send the letter as Johnson resigned before she could.[4]
During her tenure she oversaw the privatization of the State's foster care system. She supported the system as it was being implemented in the 1990s and discredited issues with the system as transitional hiccups. Additionally, in 2017 when the system was being reviewed, she continued to stand by her earlier statements and testified in favor of keeping the system private.[5]
As secretary she was a defendant to the lawsuit; Calderon v. Kansas Department of Social and Rehabilitation Services, where a Mexican American women, Maria Del Carmen Calderon, lost custody of her children, and was asked her citizenship status by a local judge when she appealed. Claiming that this violated her Fourth, Fourteenth and Fifth amendment rights, she sued the entire department of the Kansas state government. The case eventually reached the United States Court of Appeals for the Tenth Circuit. Claiming emotional injury and demanding compensation of $8 million, the court was "unable to discern the basis for Ms. Calderon's claims" and dismissed all claims against the judge, Chronister, and the department as a whole on July 6, 1999.[6]
In 1990 she was inducted into the University of Kansas' Emily Taylor Center for Women & Gender Equity.[2] Chronister was the co-chairwomen of a fundraiser by the Wilson Medical Center in Wilson County, Kansas, and helped surpass the medical center's $2.2 million goal to build a new hospital.[7] She is also a member of the medical center's board of trustees.[2]
Chronister is also the spokeswomen of the Traditional Republicans for Common Sense, a group of moderate centrist and liberal Republicans who opposed the conservative policies of Governor Sam Brownback. Namely opposing his reduction of the State income tax and the public school budget.[8] Additionally during his 2014 re-election campaign Chronister refused to endorse Brownback and instead endorsed his Democratic challenger Paul Davis.[9][10][11][12] Chronister and the Traditional Republicans for Common Sense also denounced senator Pat Roberts during his 2014 re-election bid, endorsing his independent challenger Greg Orman.[13][14][15][16]