Michelle Buehlmann, a parent, and Aaron Scheultz, Yorktown High School science teacher, attend the school board meeting. Buehlmann, a former Republican staffer, said the educational professionals are doing something right: “These signs have had an impact in the school. We would not be here tonight if they hadn’t. They made the Democratic-leaning sudents feel enfranchised, and at the same time the Republican-leaning students still felt empowered enough to speak up.”