El Cajon Transit Center

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.

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.

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.

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.

El Cajon ( el kə-HOHN, Latin American Spanish: [el kaˈxon]; Spanish: El Cajón, meaning "the box") is a city in San Diego County, California, United States, 17 mi (27 km) east of downtown San Diego. The city takes its name from Rancho El Cajón, which was named for the box-like shape of the valley that surrounds the city, and the origin of the city's common nickname "the Box".

Fletcher Hills is a neighborhood in El Cajon and La Mesa, California.

The Fletcher Hills are a low mountain range in the Peninsular Ranges, in southwestern San Diego County, California.The name Fletcher Hills also refers to a neighborhood near San Diego, California which lies primarily in the city of El Cajon and partially in La Mesa. The area was developed in 1927–1928 by San Diego developer Ed Fletcher.

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.

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.

Amaya Drive station is a San Diego Trolley station served by the Orange and Green lines in the San Diego suburb of La Mesa, California. It serves mainly as a park and ride stop for the surrounding community.

Casa de Oro-Mount Helix is a census-designated place (CDP) in the East County region of San Diego County, California. The CDP encompasses several unincorporated neighborhoods near the cities of El Cajon and La Mesa and the CDP of Spring Valley. Locations in the northern (Mount Helix) part of the CDP use La Mesa addresses, while locations in the southern (Casa de Oro) part use Spring Valley addresses. Informally, Casa de Oro is often considered to be a part of Spring Valley. The population was 18,762 at the 2010 census, down from 18,874 at the 2000 census.