In a list of 23 area high schools in four different counties, Gridley High School is listed number two for API (Academic Performance Index) scores. API is California's measurement of academic achievement. Gridley High is listed at 786, beat only by Pleasant Valley High School in Chico at 827.
Live Oak High School is listed at 779 and Biggs High School is listed at 712.
Of the 23 high schools, Gridley and Durham are the only high schools who have met the Annual Yearly Progress (AYP), which is the National Government's measurement of academic proficiency.
Program Improvement (PI) is for schools who receive Title 1 monies from the National Government, and who do not meet the required levels of academic proficiency. Gridley is listed as "Not in PI," along with Pierce High School in Arbuckle. Some schools are listed as Y1 (Wheatland, Sutter, Colusa and Hamilton City) for first year in PI and one is listed at Y5 (Lindhurst High School, meaning they are in their fifth year for Program Improvement.
On a scale of 1-10 Gridley is ranked number eight for State Ranked based on comparing GHS to all other high schools in the State with Pleasant Valley again being the only school to rank higher with a number 9. Sutter High is listed at number five and Yuba City is ranked at number six.
Only two schools earned a #10 on a scale of 1-10 with ten being the highest for Similar Schools Ranking, and they are Gridley and Pierce High School in Arbuckle.
Similar Schools ranking is a comparison of a group of 100 demographically similar high schools.