STAAR results show decreases in passage rates for grades 3-8 in Carroll, Grapevine-Colleyville ISDs Students STAAR results show decreases in passage rates for grades 3-8 in Carroll, Grapevine-Colleyville ISDs EducationOversight.org August 21, 2024 Standardized test passage rates declined slightly among grades third through eighth, year over year in Carroll and... Read More Read more about STAAR results show decreases in passage rates for grades 3-8 in Carroll, Grapevine-Colleyville ISDs