Bostonia, California

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.

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.

Rancho El Cajón was a 48,800-acre (197 km2) Mexican land grant in present day San Diego County, California given in 1845 by Governor Pio Pico to María Antonia Estudillo de Pedrorena. The name means "the box" in Spanish, and refers to the valley between hills. The grant encompassed present day El Cajon, Bostonia, Santee, Lakeside, Flinn Springs, and the eastern part of La Mesa. The grant contained the 28-acre (0.11 km2) Rancho Cañada de los Coches grant.

The National Air College is an FAA Certified Flight Training Academy located on Montgomery Field (KMYF) in San Diego, California. It is the longest surviving civilian Flight Training School in San Diego. In fact, it is the only flight training facility on Montgomery Airfield which maintains its own aircraft on its own aircraft hangars. National Air College is also an FAA Certified Repair Station, employing its own mechanics.

St. John Chaldean Catholic Church is a Chaldean Catholic church located in El Cajon, California, United States. It is the third Chaldean parish in San Diego, serving the Eparchy of St. Peter the Apostle. The church building was originally owned by a non-Catholic Christian denomination before being acquired by the Eparchy.

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.

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.

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".

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.

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.

Gillespie Field station is a Green Line station of the San Diego Trolley in the San Diego suburb of Santee, California. It is located across Marshall Avenue from Gillespie Field, a county airport which also contains an annex of the San Diego Air & Space Museum. It was ranked worst rail station in California in a 2015 UC Berkeley School of Law study, due to its sparse, unwalkable location and lack of ridership. Study co-author Elkind was quoted in the press, “I almost wondered if there was really a station out there or if we got the GPS wrong. It looked like cow pastures.”

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).