Cumberland Valley High School (CV) is a coeducational public high school founded in 1954. It is located in the Cumberland Valley School District of Mechanicsburg, Cumberland County, Pennsylvania. In 2010, according to the National Center for Education Statistics, the school had 2,525 pupils enrolled in the ninth to twelfth grades and 223 students qualified for state help with school meal costs. The school employed 175 teachers yielding a student:teacher ratio of 15:1. The mascot is an Eagle.
The Cumberland Valley High School serves the four townships of Hampden, Middlesex, Monroe and Silver Spring in Cumberland County. The area included in the school system extends from Carlisle to Camp Hill, Pennsylvania. This area is suburban and is located fifteen miles west of Harrisburg.
The combined junior-senior high school opened in September 1954 to 800 students. The school has steadily grown since that time. This is evident by the size of only the freshman class of 2014, which amounts to about 705 students. All schools in the district, except for Monroe Elementary, have been re-built or remodeled due to significant student population growth.
Seven elementary schools and two middle schools funnel into the high school. The middle schools are: Mountain View Middle School and Eagle View Middle School.
The library (known as IMC, stands for “Instructional Materials Center”  ) is a learning center providing books, magazines, daily newspapers, audiovisuals, and CD-ROMs. Students use computers to access library resources, the Internet and to do word processing and graphical analysis. They also have interlibrary loan privileges with other libraries in the state.
Cumberland Valley High School requires students to participate in random drug testing in order to attend school dances, play sports, drive to school, and many other activities.
Cumberland Valley High School is also known for being referred to as Cow Valley over 30 years ago.
In 2012, Cumberland Valley High School declined to Warning AYP status due to missing several academic metrics. In 2010 and 2011, the Cumberland Valley High School achieved AYP status.
- 2009 – Warning AYP status due to lagging student achievement
- 2008 – Warning AYP status
- 2003- 2007 – Achieved AYP status 
In 2012, the graduation rate at Cumberland Valley High School was 93%. In 2011, Cumberland Valley High School’s graduation rate was 93%. In 2010, the Pennsylvania Department of Education issued a new, 4 year cohort graduation rate. Cumberland Valley High School’s rate was 91% for 2010.
- 2010 – 92% 
- 2009 – 94%
- 2008 – 95%
- 2007 – 95% 
- 2006 – 95%