Mission Hills High School

The Lost Abbey Brewing Company is a brewery in San Marcos, run by Director of Brewery Operations Tomme Arthur. The Lost Abbey specializes in producing Belgian-inspired beers, barrel-aged beers, and sours. The Lost Abbey is co-located with Port Brewing Company in a facility that previously housed Stone Brewing Co.

Port Brewing Company is a craft brewery headquartered in San Marcos, California. It was founded in 2006 in San Marcos, San Diego County, California. The brewery also produces beers under the name Lost Abbey Brewing.

Vintage Cellars (U.S) is a wine storage design and retail company that specializes in custom wine cellars. The company was founded in 1990 by Gene Walder. Vintage Cellars, which is located in San Marcos, California, is also a retailer of wine storage cabinets, wine racks, and wine cooling systems. The company has designed and constructed wine cellars throughout the nation and is one of the longest-standing wine storage specialty businesses in the country. Though it began as a traditional brick and mortar business, the company now also does much of its business through its website.

Rancho Vallecitos de San Marcos was a 8,975-acre (36.32 km2) Mexican land grant in present-day northern San Diego County, California given in 1840 by Governor Juan Alvarado to Jose María Alvarado. The name means little valleys of St. Mark. The grant was located between Rancho Rincon del Diablo of Alvardo's father, Juan Bautista Alvarado on the east and Rancho Buena Vista on the west, and encompassed present day San Marcos.

Cal State San Marcos station is an elevated railway station in San Marcos, California, the only elevated station along the North County Transit District's SPRINTER hybrid rail line, was commenced in 2005. The station sits on a loop of the San Diego Northern Railway's Escondido Subdivision that crosses over State Route 78 to serve the California State University, San Marcos campus, which is located southwest of the station. On campus days, shuttle services are available to ferry students from the train station to the heart of the CSUSM campus and vice versa.

San Marcos Civic Center station is a station on North County Transit District's SPRINTER hybrid rail line. It serves the heart of San Marcos, California. It is located at the intersection of San Marcos Boulevard and West Mission Road. A preview service stopped at San Marcos Civic Center on December 28, 2007, and regular service commenced March 9, 2008.

The University of Saint Katherine (USK) is a private, non-profit undergraduate and graduate university located in San Marcos, California. Founded by Frank J. Papatheofanis, MD, PhD it opened in 2011, and has grown each year in enrollment from its inaugural class of 11 in 2011 to 308 in 2022. The university's mission is to provide a balanced education in the liberal arts and sciences, founded and rooted in the life of the Eastern Orthodox tradition, although the school is not under the omophorion of any Orthodox bishop, and Orthodox students and faculty are in the minority at the school; the University accepts students of all faiths. Inquiry Seeking Wisdom is the current motto of the institution. The original motto "For Christ is our Life" was reserved for a new school of theology that is being formed.

Nordahl Road station is a station served by North County Transit District's SPRINTER hybrid rail line. It straddles the city limits of San Marcos and Escondido, California, with its mailing address in Escondido. The station is located between Barham Drive and Auto Park Way/Nordahl Road, both of which intersect East Mission Road. It consists of a single platform and track.

California State University San Marcos (CSUSM or Cal State San Marcos) is a public university in San Marcos, California. It was founded in 1989 as the 21st campus in the California State University (CSU) system. CSUSM offers 43 bachelor's degree programs, 23 master's degree programs, an Ed.D. program, and 13 teaching credentials. The university has four colleges: the College of Business Administration; the College of Science, Technology, Engineering and Mathematics; the College of Humanities, Arts, Behavioral and Social Sciences; and the College of Education, Health and Human Services. In January 2021, the university had 979 faculty. The university is a Hispanic-serving institution.

San Marcos ( SAN MAR-kohs; Spanish for "St. Mark") is a city in the North County region of San Diego County, California. As of the 2020 census, the city's population was 94,833. It is the site of California State University San Marcos and Palomar College. The city is bordered by Escondido to the east, Encinitas to the southwest, Carlsbad to the west, and Vista to the northwest. Lake San Marcos is an enclave, or county island, in the southwestern part of the city, within San Marcos' sphere of influence but technically an unincorporated community.

Palomar Health is a California health care district in San Diego County. It operates Palomar Medical Center Escondido, Palomar Medical Center Poway, and various other facilities and programs. Covering 800 square miles (2,100 km2), Palomar Health is California's largest health care district by area. The district was formed in 1984, replacing the Escondido Valley Hospital Association which itself was formed in 1945.

Escondido Adventist Academy (EAA) is a private, Seventh-day Adventist-governed Christian school in Escondido, California, serving students in grades K-12. It is operated by a school board which represents the 14 Seventh-day Adventist churches in San Diego North County. It is a part of the Seventh-day Adventist education system, the world's second largest Christian school system. Escondido Adventist Academy is a part of the Southeastern California Conference of the SDA School System. The school began under the name "Escondido Junior Academy". It moved to West 9th Avenue in Escondido in September of 1956, where it operated grades 1–8. Grade 9 was added in 1957 and grade 10 in 1958. Two new classrooms, a workshop and recreation area were added in 1959 (Times Advocate article, July 6, 1959). Then in 1982, it added Kindergarten and grades 11 and 12, a gymnasium and a two-story classroom building. It also changed its name to "Escondido Adventist Academy" to reflect its new senior academy status. In 2008, the school sold its 9th Avenue campus to a Mercedes Benz dealership and moved to a new facility on Deodar Road, as part of a joint campus with the Escondido Seventh-day Adventist Church. The school is accredited by the Board of Regents of the General Conference of SDAs and the Western Association of Schools and Colleges (WASC).