Singing Hills Memorial Park

Kumeyaay Community College (formerly D–Q University) is a public community college in the U.S. state of California. Established in 2004 by the Sycuan Band of the Kumeyaay Nation through gaming revenues, it is located on the Sycuan Indian Reservation near El Cajon.

Christian High School, part of the Christian Unified Schools of San Diego, is located in El Cajon, California. It offers a college preparatory education, with the goal to "prepare students who are academically and spiritually prepared to be a light in their community and who understand the nature of God, His Word, and the importance of impacting the world for Christ." Christian High was founded by Dr. Timothy and Beverly LaHaye in 1965.In the first year, 1965–66, the school included grades 9-11. The school's principal was Guy East, a missionary with Wycliffe bible translators who was from Scott Memorial Baptist Church, the sponsoring church. He was in the country while on furlough. The principal from 1966-1972 was Pete Steveson. During that period, grades 7-8 and 12 were added. The first graduating class in 1967 included sixteen seniors. In those early years, the school grew from 32 students to 330 students. The school began to participate in interscholastic sports with other schools in the area. Over that time, the school added football, basketball, track, baseball, and cross country.

Shadow Mountain Community Church is a Baptist megachurch located in El Cajon, California, a city in San Diego county. It is affiliated with the Southern Baptist Convention.

Granite Hills is a census-designated place in San Diego County, California. The name is also applied to a neighborhood within the city limits of El Cajon in the eastern part of that city. The population of the CDP, which does not include the people living within the city of El Cajon, was 3,035 at the 2010 census, down from 3,246 at the 2000 census.

Crest is an unincorporated community in the East County region of San Diego County, California. The Crest census-designated place (CDP) had a population of 2,828 at the 2020 census, a rise from 2,593 at the 2010 census.

Granite Hills High School is a California Distinguished School, public and comprehensive high school located in El Cajon, California and serves students in grades nine through twelve. Opened in 1960, Granite Hills is one of thirteen high schools in the Grossmont Union High School District. GHHS is the home of the Eagles. Granite Hills High School has been an IB World School since July 2001.

Dehesa is a populated place in San Diego County, California. Dehesa is located along the Sweetwater River and Dehesa Valley between Harbison Canyon, Crest, Alpine, and Granite Hills. Dehesa is a mainly agricultural community. It is served by the Dehesa School District, which consists of one school serving grades kindergarten through 8. It is located in the 53rd Congressional District of California.The reservation of the Sycuan Band of the Kumeyaay Nation runs along the border of Dehesa. Dehesa is also the home of the Sycuan Casino.

Rancho San Diego is a census-designated place (CDP) in the East County region of San Diego County, California. The population was 21,858 at the 2020 census, up from 21,208 at the 2010 census. The area was developed as subdivisions beginning in the 1970s.

Located in Rancho San Diego, Valhalla High School is a public high school operated by the Grossmont Union High School District with an enrollment of 2,112 students. The school is characterized by its school colors, orange and white, going by the nickname Orange Nation. During its existence, the school has won the California Distinguished School Award in both 2001 and 2003, and is also accredited by the Western Association of Schools and Colleges. The school is currently directed by principal Joshua Johnson and three assistant principals. Several programs are available to students, including ASB, marching, jazz, and orchestra bands, drama, color guard, cheer, dance, and athletics such as football and baseball, among other programs.

Rancho Cañada de los Coches was a 28-acre (0.11 km2) Mexican land grant in present-day San Diego County, California given in 1843 by Governor Manuel Micheltorena to Apolinaria Lorenzana. This small land grant was located just west of Flinn Springs and in the center of Rancho El Cajon. The San Diego Mission fathers formerly watered their swine in dry seasons at a little spring arising from subterranean sources, thus giving it its name of "Glen of the Hogs". The site is now registered as California Historical Landmark #425.

The Seminary of Mar Abba the Great is a Chaldean Catholic seminary located in El Cajon, California. The seminary is the first and only Chaldean Catholic seminary outside of Iraq. The seminary is part of the Eparchy of St. Peter the Apostle, a diocese which encompasses 19 of the westernmost states of the United States. The seminary was consecrated by Mar Sarhad Yawsip Jammo on July 25, 2008. Fr. Andrew Younan was appointed as the seminary's rector and Mar Bawai Soro was assigned to the post of spiritual director for those discerning the priesthood. The seminary proper has dorms for as many as 10 men, and there is another building on the land which is the Institute of Mar Abba the Great which is home to a chapel, library, and a classroom.

Chaldean Eparchy of Saint Peter the Apostle (Latin: Eparchia Sancti Petri Apostoli urbis Sancti Didaci Chaldaeorum) is a Chaldean Catholic Church eparchy of the Catholic Church in the Western United States. It practices the Syro-Oriental Rite in the Syriac/Arameic language. It is exempt, i.e. immediately subject to the Holy See, not part of any ecclesiastical province. Its cathedral episcopal see is St. Peter's Chaldean Catholic Cathedral, located in El Cajon, California.