Welcome to Rancho Santa Margarita. With just under 50,000 residents and located in between Coto de Caza and Trabuco Canyon, the city of Rancho Santa Margarita is home to quality shopping, restuarants, and is complemented with trails and lakes that accommodate all lifestyles. RSM is often highly sought after by young families looking to give their children a quality education at Las Flores Middle Schools and Tijeras Creek Elementary. The city is also home to Santa Margarita Catholic High School, and is a nationally ranked private school providing one of the best education opportunities in California. Officially incorporated into the County of Orange in 2001, the city continues to flourish for its tranquil environment, and close proximity to California's most well-known beaches.