In 2015, enrollment had declined further to 477 pupils in 9th through 12th grade. In 2013, the School's enrollment declined to 558 pupils in grades 9th through 12th, with 20% eligible for a federal free or reduced price lunch due to the family meeting the federal poverty level. According to the administration, 12.9% of pupils received special education services. Additionally, 4.4% of pupils were identified as gifted. According to a report by the Pennsylvania Department of Education, 1% of the teachers were rated "Non‐Highly Qualified" under the federal No Child Left Behind Act. According to the National Center for Education Statistics, in 2010, Central Columbia High School reported an enrollment of 613 pupils in grades 9th through 12th, with 83 pupils eligible for a federal free or reduced-price lunch due to the family meeting the federal poverty level. The school is a federally Title I school. The school employed 46.5 teachers, yielding a student–teacher ratio of 13:1. According to a report by the Pennsylvania Department of Education, 20 classes were taught by teachers who were rated "Non‐Highly Qualified" under No Child Left Behind. Central Columbia High School was ranked 76th out of 609 Pennsylvania high schools for combined 2006 PSSA scores for 11th graders. In 2010 and 2011 the school achieved AYP status. SPP 2016 – 93.4 out of 100 points. Central Columbia High School Keystone Exams mandated testing results were: 91.9% of students were on grade level in reading.literature and 92.5% of students demonstrated on grade level in Algebra I. In Biology I, 93.5% of pupils demonstrated on grade level science understanding at the end of the Biology course. The requirement that pupils pass the Keystone Exams in reading, algebra I and bIology I in order to graduate was postponed until 2019 by the Pennsylvania General Assembly because less than 60% of 12 grade pupils statewide would have been eligible for graduation from high school due to failing one or more Keystone Exams. Central Columbia High School achieved a score of 78.5 out of 100. The PDE reported that 80% of the High School's students were on grade level in reading/literature. In Algebra 1, 76% of students showed on grade level skills at the end of the course. In Biology I, 76% demonstrated on grade level science understanding at the end of the course. Statewide, 53 percent of schools with an eleventh grade achieved an academic score of 70 or better.