Question: How many middle schools are there in this major school districts in the Kansas City Metropolitan Area that includes Olathe West High School?

full_context: Document 1: Olathe North High School: Olathe North High School is a fully accredited public high school located in Olathe, Kansas, United States, serving students in grades 9-12. The school is one of five public high schools in the Olathe School District. The school colors are red and royal blue and the mascot is the Eagle.
Document 2: Kansas City metropolitan area: The Kansas City metropolitan area is a 15-county metropolitan area anchored by Kansas City, Missouri, that straddles the border between the U.S. states of Missouri and Kansas. With a population of about 2,340,000, it ranks as the second largest metropolitan area with its core in Missouri (after Greater St. Louis). Alongside Kansas City, the area includes a number of other cities and suburbs, the largest being Overland Park, Kansas; Kansas City, Kansas; Olathe, Kansas; and Independence, Missouri; each over 100,000 in population. The Mid-America Regional Council (MARC) serves as the Council of Governments and the Metropolitan Planning Organization for the area.
Document 3: Gardner-Edgerton USD 231: The Gardner-Edgerton Unified School District (USD 231) is one of the major school districts in the Kansas City Metropolitan Area. Currently , the district comprises 1 high school, 3 middle schools, and 7 elementary schools. All but one school in the district, an elementary school, are located in Gardner, Kansas while the elementary school is located in Edgerton, Kansas.
Document 4: Shawnee Mission School District: The Shawnee Mission School District (Kansas Unified School District 512) is one of the major school districts in the Kansas City metropolitan area. It is in northeast Johnson County, Kansas, and enrolled 27,521 students in the 2016–2017 school year. As of 2011, the district comprises five high schools, five middle schools, 38 elementary schools, and six instructional centers. Its headquarters are in Overland Park.
Document 5: Wichita South High School: Wichita South High School, known locally as South, is a fully accredited high school, serving students in grades 9-12, located in Wichita, Kansas. It is also known as Wichita High School South. The school colors are blue and red. The schools enrollment was 1,922 during the 2016–2017 school year, making it the 9th largest high school in Kansas.
Document 6: Blue Valley USD 229: The Blue Valley Unified School District (Kansas Unified School District 229) is one of the major school districts in the Kansas City Metropolitan Area. Located in east central and southeast Johnson County, Kansas, covering 91 sqmi of Overland Park including parts of Leawood and Stilwell.
Document 7: Olathe School District: The Olathe Unified School District (Kansas Unified School District 233) is one of the major school districts in the Kansas City Metropolitan Area and is one of the larger school districts in the state of Kansas. There are nearly 30,000 students enrolled in the district, which currently operates 5 high schools, 9 middle schools, and 34 elementary schools, as well as a number of additional educational and support facilities.
Document 8: Mound Westonka High School: Mound Westonka High School is a grades 812 public high school in Mound, Minnesota. Mound Westonka competes in the Wright County Conference. Mound Westonka, located west of Lake Minnetonka, serves the westernmost portion of the lake and is located west of Minnetonka and south of Orono. Mound Westonka houses over 900 students in grades 8-12. It began as Mound Consolidated High School, which opened in the fall of 1917 in downtown Mound as part of District 85. In 1958, District 85 became Westonka District 277. In the fall of 1971, Mound High School was relocated several miles to a new building at its present location in Minnetrista and “Westonka” was added to its name. Mound High School adopted the “Mohawk” mascot in the 1930s, in part because Mound was named for the ancient Indian mounds located within its borders. In the fall of 1997, the school mascot was changed to the White Hawks.
Document 9: Blue Valley Northwest High School: Blue Valley Northwest High School (BVNW) is a high school in Overland Park, Kansas, United States. It is part of the Blue Valley Unified School District. Blue Valley Northwest is one of several schools located within the city limits of Overland Park. In the 2009 Newsweek ranking of the top 1,500 high schools in the United States, Blue Valley Northwest was ranked #364, the highest in the district and the state. The school has been ranked in the top 700 since 2005. In 2014, Blue Valley Northwest was selected as one of the six finalists for the first annual Race to the Top High School Commencement Challenge, sponsored by the Department of Education under the Obama administration.
Document 10: Olathe South High School: Olathe South High School is a fully accredited public high school located in Olathe, Kansas, USA, serving students in grades 9-12. The school is one of five high schools in the Olathe Unified School District (USD 233). Olathe South High School was recognized as a National School of Excellence for the 1990-91 school year by the U.S. Department of Education, becoming the first high school in Olathe to do so. Olathe South's official colors are blue and gold, and the official mascot is the Falcon. The average annual enrollment at Olathe South is approximately 2,100 students.
Document 11: Olathe West High School: Olathe West High School is a fully accredited public high school located in Olathe, Kansas, United States, serving students in grades 9–11 and expanding to include grades 9–12 for the 2018–2019 school year. The school is one of five high schools in the Olathe School District and also one of fourteen in the Sunflower League. The school colors are royal blue, silver, and navy, and the school mascot is the Owl.
Document 12: Ocean View High School: Ocean View High School (OVHS) is a public comprehensive college-prep academy located in Huntington Beach, California. OVHS was established in 1976 whose mascot is the Seahawks. Currently, there are approximately 1,470 enrolled students. It is part of the HBUHSD school district, with five other high schools. The school is unique in that, it features the only IB Program in the district. The implementation of “embedded tutorial” at the end of each period two years ago resulted in the biggest drop
Document 13: Miami Northwestern Senior High School: Miami Northwestern Senior High School is a public 4-year high school located in Miami, Florida, United States, serving students in grades 9-12 from the Liberty City neighborhood of Miami. The school colors are old gold and royal blue. The average annual enrollment is approximately 1,800 students. Miami Northwestern was founded in 1955 to serve the increasing population of northern Miami. Shortly after the school's inception, the Bull was chosen as the official school mascot from the former Dorsey High School. Miami Northwestern originally served as an all-black high school. Beginning in 1966, Dade County high schools stopped being segregated, and most students from Booker T. Washington transferred to Northwestern (and Miami Jackson Senior High School) in 1967–1968.
Document 14: Iowa City West High School: Iowa City West High School is a public high school in Iowa City, Iowa. It has about 2,000 students in grades 9-12. The school employs nearly 200 teachers and staff. Boys' athletic teams are called "The Trojans" while girls' teams are called "The Women of Troy".
Document 15: Plano West Senior High School: Plano West Senior High School (commonly West, Plano West, or PWSH) is a public high school in Plano, Texas serving high school juniors and seniors. The school is part of the Plano Independent School District, and enrolls students based on the locations of students' homes. Students at Plano West attended one of two high schools: Jasper or Shepton. Plano West is accredited by the Texas Education Agency, which designates the school as "Recognized". The school colors are royal blue, black, and white, and the mascot is the wolf. The school is ranked as 22nd in the nation, and as the #1 comprehensive high school in the State of Texas, according to Newsweek's 2016 list of best public high schools.
ground_truth: 9 middle schools