paragraph_text: Santa Maria High School (SMHS) is a public comprehensive high school in Santa Maria, California, United States. Located in the heart of the city, Santa Maria High School is the oldest school in the Santa Maria Valley and is part of the oldest high school district in California. The Santa Maria Joint Union High School District was founded on June 6, 1893.

paragraph_text: Piner High School (PHS) is a Public high school in Santa Rosa, California, United States. It is part of the Santa Rosa High School District, which is itself part of Santa Rosa City Schools.

paragraph_text: John Swett High School is located in Crockett, California, United States. It serves the communities of Crockett, Port Costa, Rodeo, and the Foxboro area of Hercules. It is named after John Swett, former California Superintendent of Public Instruction, elected in 1863. John Swett High School was established in 1927. The school remains in its original building complex, which was extensively renovated five years after original construction for seismic retrofitting at a cost of two-thirds of the original cost of the complex. John Swett High School is part of the John Swett Unified School District.

paragraph_text: Royal Sunset High School is a continuation high school in Hayward, California, United States, and is part of the San Lorenzo Unified School District.

paragraph_text: Montgomery County High School, is located in Mount Sterling, Montgomery County, Kentucky, and is the only high school within Montgomery County. Enrollment in the 2012-2013 school year was 1,190 students.

paragraph_text: Rosemont High School is a public high school located in Sacramento, California, USA. Designed by DLR Group, its completed buildings opened in 2003. Rosemont H.S. is part of the Sacramento City Unified School District.

paragraph_text: Rancho Dominguez Preparatory School (RDPS) is a public middle and high school in Long Beach, California in the Los Angeles metropolitan area, California, United States. It is a part of the Los Angeles Unified School District. It was previously named South Region High School #4.

paragraph_text: San Gabriel Mission High School, the "School with a Mission," is an all-girls Catholic College Preparatory high school located on the grounds of the fourth mission of California, which was founded in 1771 by Franciscan priests and often used by Junipero Serra as his headquarters. It is located in the Roman Catholic Archdiocese of Los Angeles. Their Mission statement is:

paragraph_text: Trinity High School (THS) is a high school located in Weaverville, California, in Trinity County. The student population is 400, and the grades are 9-12.

paragraph_text: Nokomis High School is a coed public high school located in Nokomis, Illinois in Montgomery County serving Community Unit School District 22.

paragraph_text: Santa Rosa is a city in and the county seat of Sonoma County, California, United States. Its estimated 2014 population was 174,170. Santa Rosa is the largest city in California's Redwood Empire, Wine Country and the North Bay; the fifth most populous city in the San Francisco Bay Area after San Jose, San Francisco, Oakland, and Fremont; and the 28th most populous city in California.

paragraph_text: Bonita High School is a high school located in the city of La Verne, California in the foothills of the San Gabriel Mountains. Opened in 1903, it was the first high school in the Bonita Unified School District. It moved to its current campus in 1959. The majority of its students come from Ramona Middle School, which is also located in La Verne. The Bearcat athletic teams compete in the Palomares League of the CIF Southern Section.

paragraph_text: Rothesay High School is a high school located in Rothesay, New Brunswick, Canada. It is part of Anglophone South School District.

paragraph_text: Montgomery High School is a public high school located in Santa Rosa, California. It is part of the Santa Rosa High School District, which is itself part of Santa Rosa City Schools. The current principal is Randolph T. Burbank

paragraph_text: Kress High School is a public high school located in Kress, Texas (USA) and classified as a 1A school by the UIL. It is part of the Kress Independent School District located in southern Swisher County. In 2013, the school was rated "Met Standard" by the Texas Education Agency.

paragraph_text: Carlmont High School is a public high school in Belmont, California, United States serving grades 9–12 as part of the Sequoia Union High School District. Carlmont is a California Distinguished School.

paragraph_text: Jean Ribault High School is a public high school located in North Jacksonville, Florida. It is part of Duval County Public Schools.

paragraph_text: Monterey Trail High School (MTHS or MT) is a 9th-12th grade college preparatory high school located in Elk Grove, California. The school was established in the first decade of the 21st century as part of the Elk Grove Unified School District.

paragraph_text: Baird High School is a public high school located in Baird, Texas (USA) and classified as a 1A school by the UIL. It is part of the Baird Independent School District located in central Callahan County. In 2015, the school was rated "Met Standard" by the Texas Education Agency.

paragraph_text: Booker High School is a high school located in Sarasota, Florida. It is located in north Sarasota and is part of the school district of Sarasota County. The athletic teams are known as the Tornadoes.

Question: In what part of California is the city where Montgomery High School is located?
Answer: Sonoma County