Tesoro High School

Las Flores (Spanish for "The Flowers") is an unincorporated census-designated place (CDP) in Orange County, California, located adjacent to the City of Rancho Santa Margarita, California. The population was 5,971 at the 2010 census, up from 5,625 at the 2000 census. Las Flores does not have its own ZIP Code and is served by the same ZIP Code as adjacent Rancho Santa Margarita, 92688. The Rancho Santa Margarita dog/skate park is located in the CDP and is served by the Orange County Sheriff's Dept. and Orange County Fire Authority. Although Las Flores lies in the land grant of Rancho Mission Viejo, it is named after the land grant about 25 miles south Rancho Santa Margarita y Las Flores.

Tijeras Canyon Creek is a watercourse in northeast Orange County, California and a tributary of Arroyo Trabuco. It originates in the foothills of the Santa Ana Mountains, and flows southwest through the suburban city of Rancho Santa Margarita for several miles as an underground culvert. Below State Route 241 it becomes a free-flowing creek, traveling through Cañada Vista Park and Tijeras Creek Golf Club before joining with Trabuco Creek in O'Neill Regional Park.Due to its relatively natural condition, the lower Tijeras Creek provides habitat for the threatened arroyo chub, which is endemic to coastal Southern California streams. Large numbers of native fish were observed there during field studies in 2010.In March 2010 a force main adjacent to Tijeras Creek ruptured, spilling more than 2,000,000 US gallons (7,600 m3) of raw sewage into the creek. The contaminated water traveled into Trabuco and San Juan Creeks before reaching the Pacific Ocean, forcing a six-day closure at Doheny State Beach.

Coto de Caza (Spanish for "Hunting Reserve") is a census-designated place (CDP) and guard-gated private community in Orange County, California, United States. The population was 14,710 at the 2020 census. The CDP is a suburban planned community of about 4,000 homes and one of Orange County's oldest and most expensive master-planned communities. The project began in 1968, when it was envisioned as a hunting lodge, now the Lodge at Coto de Caza, and the community was completed in 2003. Coto de Caza also includes Los Ranchos Estates, a 355-acre rural community of 75 large custom homes. Los Ranchos Estates is a separate private community behind the gates of Coto de Caza and has its own homeowner's association.

Rancho Trabuco was a 22,184-acre (89.78 km2) Mexican land grant in present-day Orange County, California. The five square league grant consisted of two square leagues given in 1841 by Governor Juan B. Alvarado to Santiago Argüello plus three square leagues given in 1846 by Governor Pío Pico to John (Don Juan) Forster. The name "trabuco" means "blunderbuss" in Spanish. The grant extended along Trabuco Creek and Trabuco Canyon, and encompassed present-day Coto de Caza. The grant was bordered by Rancho Cañada de los Alisos on the west, and by Rancho Mission Viejo on the east.

Ladera Ranch is a master-planned community and census-designated place located in south Orange County, California, just outside the city limits of Mission Viejo.

Mission Viejo ( vee-AY-hoh; corruption of Misión Vieja, Spanish for "Old Mission") is a commuter city in the Saddleback Valley in Orange County, California, United States. Mission Viejo is considered one of the largest master-planned communities ever built under a single project in the United States and is rivaled only by Highlands Ranch, Colorado in size. Its population as of 2020 was 93,653.Mission Viejo is suburban in nature and culture, and consists of residential properties, offices and businesses. The city is noted for its tree-lined neighborhoods, receiving recognition from the National Arbor Day Foundation. The city's name is a reference to Rancho Mission Viejo, a large Spanish land grant from which the community was founded.

Rancho Mission Viejo (Spanish: Rancho Misión Vieja, meaning "Old Mission Ranch") is an active 23,000 acres (9,300 ha) ranch and farm, habitat reserve, residential community, and census-designated place in South Orange County, California. Rancho Mission Viejo originated as a series of land grants to John Forster in 1845. The remaining part of Rancho Mission Viejo consists of a nearly 17,000-acre (6,900 ha) nature reserve (The Reserve at Rancho Mission Viejo) and multiple residential communities slated to open in phases between 2010 and 2030. As of the 2020 census, it had a population of 10,378.

Providence Mission Hospital is a 523-bed acute care regional medical center in Orange County, California with two campuses - one in Mission Viejo, and the second in Laguna Beach. The hospital has designated adult and pediatric Level II Trauma centers in the state of California. Mission Hospital provides cardiovascular, neuroscience and spine, orthopedics, cancer care, women's services, mental health, wellness and a variety of other specialty services. Mission Hospital in Laguna Beach (MHLB) provides South Orange County coastal communities with 24-hour emergency and intensive care as well as medical-surgical/telemetry services, orthopedics and also general and GI surgery. CHOC Children's at Mission Hospital is a 48-bed facility that is the area's only dedicated pediatric hospital. Mission Hospital is one of only 3 Hospitals in Orange County rated as a Regional Trauma Center.

South Orange County Community College District (SOCCCD) is a public community college district in Orange County, California. It was founded in 1967 and has three separate campuses: Saddleback College in Mission Viejo, California, Irvine Valley College in Irvine, California and the Advanced Technology & Education Park in Tustin, California. The district is governed by a seven-member elected board of trustees and a chancellor. Located north of San Diego County and stretching from the Santa Ana Mountains to the Pacific Ocean, the district's 382-square-mile (990 km2) service area encompasses the southern half of Orange County.

Lake Mission Viejo is a reservoir created for recreation in Mission Viejo, Orange County, California. The reservoir is formed by an earthfill dam across the canyon of Oso Creek, which is part of the Trabuco Creek and San Juan Creek drainage basin. The lake is not fed by urban runoff; it is maintained so as to be safe for contact. The Lake Association owns and operates the Lake facilities which include approximately 124 surface acres of water and 50 acres of land, including Playa del Norte (North Beach) and Marina, Playa del Este (East Beach), parking facilities, Market on the Lake Dock and dam. Recreational facilities available for Lake Association members include the Lake, two large beaches and picnic areas, clubhouse rental, boat launching facility and shoreline fishing area. The Lake Mission Viejo Association, is a California Non-Profit corporation consisting of those residential property owners within the ultimate boundaries of the Mission Viejo planned community. Association members have access to the Lake through the guard gates at both North and East beach. Other portions of the shoreline have been developed as private residential projects and commercial village (Market on the Lake). Smaller private beach facilities around the Lake are for the exclusive use of waterfront homeowners. Costs and operations of any private facilities for lakefront developments will be paid for and are the responsibility of that lakefront owner. Other amenities include, Fishing, recreation (boating and swimming) as well as Concerts, Movie Nights and Summer Camps during the summer months. Lake Mission Viejo is a private recreational facility/ HOA that is for the use and enjoyment of members that own or live in Lake Member Properties within the city of Mission Viejo.About 5 miles (8.0 km) south of Santiago Peak, a peak in the Santa Ana Mountains, the lake is surrounded by private residential (single-family and condominium) communities, and is a private membership for Mission Viejo residents. The primary marina is located in the northwestern arm of the lake. Upstream of Lake Mission Viejo is Upper Oso Reservoir, which spills downstream and into Mission Viejo in wet years.

Mission Viejo High School is a four-year comprehensive public high school located in Mission Viejo, California, United States, as part of the Saddleback Valley Unified School District. The school has served the area since 1966. Students within its attendance boundaries live in western Mission Viejo, southwest Lake Forest, Trabuco Canyon, Rancho Santa Margarita, and Laguna Hills. Its mascot is Pablo the Diablo and its colors are scarlet and gold. 230 credits are required to graduate. It is the home to one of the only agricultural farms on a high school campus in the Saddleback Valley Unified School District. In the 2014–2015 school year, the school had an enrollment of 2,438 students and 92.7 classroom teachers (on an FTE basis), for a student–teacher ratio of 26.3:1. There were 333 students (13.7% of enrollment) eligible for free lunch and 100 (4.1% of students) eligible for reduced-cost lunch.

Piwiva was a Acjachemen village located at the confluence of San Juan Creek and Cañada Gobernadora tributary in what is now Rancho Mission Viejo, California. The name for the village was closely related to the Payómkawichum word for wild tobacco piivat. It was located north of Mission San Juan Capistrano, downstream from the village of Huumai and upstream from the village of Sajavit. Alternative names for the village include Pii'iv, Pivits, and Peviva.