Estancia High School is located in Costa Mesa, California and is part of the Newport-Mesa Unified School District which serves approximately 21,000 students who reside in the cities of Newport Beach and Costa Mesa. Estancia High School is a comprehensive high school which serves the needs of approximately 1,200 students in Grades 9-12.

Academics

Estancia High School offers a college prep curriculum. Currently, fourteen Advanced Placement courses are being offered. In fall 2015, Estancia High School launched an Engineering & Design Signature Academy for students entering Grade 9.

Engineering Design Signature Academy

Estancia's Engineering Design pathway employs Project Lead the Way curriculum with a focus on Advanced Manufacturing. Students progress through a 4 course pathway:

1. Introduction to Engineering Design (Freshmen)
2. Principles of Engineering
3. Computer Integrated Manufacturing
4. Engineering Design Development (Senior/Capstone)

Co-curricular programs

Students at Estancia High School can become involved in the following programs:

• Drama
• Music
• Field Studies
• Youth & Government
• Journalism
• Yearbook
• ASB
• Estancia Medical Academy (EMA)
• Academic Decathlon
• Australia Sister City Education Exchange Program

Athletics

Estancia is part of the Orange Coast League of the CIF Southern Section, part of the California Interscholastic Federation.

The school offers varsity teams in: Football, Boys and Girls Volleyball, Cheerleading, Boys and Girls Waterpolo, Boys and Girls Tennis, Boys and Girls Cross Country, Boys and Girls Track & field, Boys and Girls Basketball, Boys and Girls Soccer, Coed Wrestling, Boys and Girls Golf, Girls Softball, and Baseball.

Fall Sports

• Football
• Girls' Volleyball
• Boys' Water Polo
• Girls' Tennis
• Girls' Golf
• Coed Cross Country

Winter Sports

• Boys' & Girls' Basketball
• Boys' & Girls' Soccer
• Girls' Water Polo
• Coed Wrestling

Spring Sports

• Boys' Baseball
• Girls' Softball
• Boys' Volleyball
• Boys' Golf
• Coed Swimming
• Coed Track & Field
• Boys’ Tennis

Estancia High School's rival is Costa Mesa High School. Each sport plays Costa Mesa High School in the annual Battle of the Bell. The winner of the Battle of the Bell houses the "bell" for the school year. Estancia High School currently houses the bells for football, boys' basketball and girls' basketball. Estancia High School has also been in the recipient of the All Sports Trophy sponsored by Newport Rib Company for the past six school years.

Notable alumni

• Rich Amaral, Former Major League Baseball player (Seattle Mariners, Baltimore Orioles)
• Spencer Kayden, Actress
• Rony Argueta, Professional soccer player
• Jeff Gardner, Former Major League Baseball player (New York Mets, San Diego Padres, Montreal Expos)
• Mitchell Hurwitz, creator of the television show Arrested Development. Graduated in 1981.
• Tom Jancar, contemporary art dealer Jancar Kuhlenschmidt Gallery
• Jake Knapp, professional golfer who joined the PGA Tour in 2024. Graduated in 2012.
• Allan Mansoor, Assemblymember representing the 74th Assembly District and former mayor of Costa Mesa
• Matt Fuerbringer, Professional Beach Volleyball player, Class of 1992
• Jeff Graham, gridiron football player
• Ron Kravette, US National Ice Dance Champion. Graduated in 1981.
• Wing Lam, Co-founder and face of restaurant chain Wahoo's Fish Taco. Graduated in 1979.