Chaldean Catholic Eparchy of Saint Peter the Apostle of San Diego

St. Peter Cathedral is a Chaldean Catholic cathedral located in El Cajon, California, United States. It is the seat for the Eparchy of St. Peter the Apostle.

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 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.

Cuyamaca College is a public community college in Rancho San Diego, California. It is part of the Grossmont-Cuyamaca Community College District and the California Community Colleges System. Along with Grossmont College, it serves the eastern suburbs in the San Diego area. Cuyamaca College opened in 1978 and now offers 81 associate's degree programs and 66 training certification programs to approximately 8,500 students. Many of the college's students transfer to the University of California, San Diego or San Diego State University to complete their bachelor's degrees. Cuyamaca's mascot is the coyote.

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.

Steele Canyon Charter High School is a public charter high school located in the San Diego East County community of Spring Valley, California, United States. Opened in 2000, the school serves students in grades nine through grade twelve. It has operated as a California charter school since July 1, 2007. Steele Canyon's main rival is Valhalla High School. Steele Canyon has also served as an evacuation center for San Diego residents threatened by the Harris fire, one of the larger October 2007 California wildfires.

The Sweetwater River Bridge was built in 1929 to carry Ca highway 94 over the Sweetwater River in San Diego County, California, US.

Skyline Church is an evangelical Christian megachurch located in La Mesa, California, a suburb of San Diego, affiliated with the Wesleyan Church denomination. The church currently averages 2,500 in attendance per week.

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.

Rancho Jamacha was a 8,881-acre (35.94 km2) Mexican land grant in present-day San Diego County, California given in 1840 by Governor Juan Alvarado to Apolinaria Lorenzana. Jamacha is an Indian name. The grant extended eastward from Rancho de la Nación along the Sweetwater River Valley. The southwestern section of the rancho is now covered by the waters of the Sweetwater Reservoir created in 1888.

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.

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.