El Cajon, California

The Grossmont Union High School District (GUHSD) is a public school district located in eastern San Diego County, California, and serves high school, adult school, and Regional Occupational Program (ROP) students in the cities of El Cajon, Lemon Grove, and Santee; the unincorporated communities of Alpine, Casa de Oro, Crest, Dehesa, Dulzura, Jamul, Lakeside, Mount Helix, Rancho San Diego, and Spring Valley; most of La Mesa, and parts of San Diego. Formed in June 1920, the union high school district is overseen by a five-member governing board and operates 13 high schools (nine regular, three charter, and one continuation); a regional occupational program (ROP); and special education and adult education services. The day-to-day operations are managed by the superintendent, who is appointed by the board. The Grossmont Union High School District utilizes a strategic plan that includes a mission statement, district guidelines, core values, and annual goals and objectives. The district's schools are accredited by the Western Association of Schools and Colleges (WASC). Four of the district's high schools—Helix, Mount Miguel, Santana, and Valhalla (twice)—have been recognized as a California Distinguished School by the California Department of Education. In March 2001, the district and two of its high schools—Santana and Granite Hills—made nationwide headlines in the US when, in a span of seventeen days, a total of two students were killed and twenty students and two teachers were wounded when two students, in separate incidents, opened fire at their schools.

Parkway Plaza is a shopping mall in El Cajon, California. The mall's anchor stores are Crunch Fitness, Dick's Sporting Goods, Ashley HomeStore, Bob's Discount Furniture, Burlington, Extra Space Storage, Walmart, Regal Cinemas, and JCPenney.

El Cajon Valley High School (ECVHS) is a comprehensive public secondary school located in El Cajon, California, which is in the eastern county of San Diego, and serves students in grades nine through twelve. Established in 1955, El Cajon Valley is the third of twelve high schools to be built in the Grossmont Union High School District. ECVHS is the home of the Braves. El Cajon Valley High school is accredited by the Western Association of Schools and Colleges (WASC).

The Grossmont–Cuyamaca Community College District is a California community college district comprising two colleges, Grossmont College and Cuyamaca College that serve about 28,000 students a year. Grossmont College is located in El Cajon, California and Cuyamaca College is located in Rancho San Diego, California, and primarily serves East San Diego and East County communities.

Arnele Avenue station is a San Diego Trolley station served by the Orange and Green Lines in the San Diego suburb of El Cajon, California. It serves as the eastern terminus of the Orange Line. The station also has as a small park and ride that serves the surrounding residential community and also allows for access to a large commercial strip. Parkway Plaza, a major shopping mall, is within walking distance of the station.

El Cajon Transit Center is a San Diego Trolley station served by the Orange and the Green lines in the San Diego suburb of El Cajon, California. The station is a major commuter center for the large suburb, and is the convergence of multiple local and regional bus routes operated by the Metropolitan Transit System and Greyhound Lines.

Bostonia is a neighborhood in San Diego County, California, comprising part of the northeastern portion of the city of El Cajon, as well as adjacent unincorporated areas of San Diego County. The portion of Bostonia that lies outside the El Cajon city limits is classified as a census-designated place (CDP) for statistical purposes by the United States Census Bureau. The population of the CDP was 15,379 at the 2010 census, up from 15,169 at the 2000 census.

ASTREA is an acronym for Aerial Support To Regional Enforcement Agencies, the air support unit of the San Diego County Sheriff's Department. ASTREA Base is located at Gillespie Field Airport (IATA: SEE, ICAO: KSEE) in El Cajon, California.

Chaparral High School is the main continuation high school located in El Cajon, California for the Grossmont Union High School District (GUHSD). Currently GUHSD serves 24,456 students at 12 high schools. Located in the city of El Cajon, it provides an alternative educational setting for an average of 300 students, eighty of which are designated Special Education, in grades nine through twelve. Students at Chaparral are referred by the eleven comprehensive high schools in the District for reasons involving poor attendance, lack of academic success or behavioral issues. In addition, students may voluntarily elect to attend Chaparral. The student population changes as students are returned to their school of residence upon completion of their remediation and/or academic goals. Chaparral offers programs and services to supplement the basic education program. Some of these services include an incoming orientation, Special Education Program, extended day tutorials and Title I support. Chaparral High School teaches programs such as Anger Management, and many other programs that students can use to fit into their daily lifestyles.

Gillespie Field (IATA: SEE, ICAO: KSEE, FAA LID: SEE) is a county-owned public towered airport 11.5 miles (10.0 nmi; 18.5 km) northeast of downtown San Diego, in El Cajon, San Diego County, California, United States.

Grossmont High School is a public high school located in Eastern San Diego County, California. Opened in 1920, it is the oldest public high school in East County and the first of twelve high schools currently in the Grossmont Union High School District. The school has an approximate enrollment of 2,800 students.Grossmont High School has been accredited by the Western Association of Schools and Colleges (WASC) since 1962. The current accreditation is valid through 2020. Grossmont High School was recognized as being a California Distinguished School for the scholastic year of 2008–2009. Its mascot is the Foothiller, so chosen because at the time of the school's construction, east county was much more isolated from the rest of San Diego than it is today and was often referred to as the boondocks or the foothills.

ATA College, formerly known as Advanced Training Associates, is a private college in El Cajon, California. ATA College is accredited by the Council on Occupational Education (COE) and approved by the Bureau of Private Post-Secondary Education. The institute is also approved to participate in Federal financial aid programs by the Department of Education for students who qualify. The school provides training to the military and has been a Department of Defense contractor for vocational education since 1996. Tuition Assistance and Veterans Benefits can be used at ATA College. The institute is an approved training center by the Fiber Optic Association.ATA College is an official testing site for Pearson VUE and the Electronics Technicians Association. The school is also certified by the National Radio Examiners to administer FCC licensing exams, and the ATA College instructors are official test proctors.