British International School of Houston

Morton Ranch High School is a secondary school in the Katy Independent School District. It opened in 2004, and is located in unincorporated Harris County, Texas, United States. It is part of a multi-school complex, including Morton Ranch Elementary that opened in 2008 and Morton Ranch Junior High School that opened in 2003. The school serves many northern sections of Katy I.S.D., and has grades 9 through 12. The mascot is a Maverick.

Hoffpauir Airport (FAA LID: 59TE) was an airport in an unincorporated area of Harris County, Texas in the United States. It was located east of the city of Katy and west of the city of Houston. The owner was Stanley C. Hoffpauir. A portion of the runway had an apartment complex built on it in early 2012, ending use of the airport.

James E. Taylor High School is a public high school in unincorporated Harris County, Texas, in the Greater Katy area. The campus is located within the Nottingham Country subdivision, but is not within the Katy city limits. The school serves grades 9 through 12, and is part of Katy Independent School District.

Memorial Parkway is a neighborhood in unincorporated Harris County, Texas, United States, east of the city of Katy. Memorial Parkway was built in the 1970s, and the 1980s. The neighborhood is operated by the Memorial Parkway Homeowners Association (MPHOA). It is one of the oldest subdivisions on the Mason Road corridor. It is flanked on the west by the expanding commercial corridor of Mason Road, and on the East by the residential parkway of Westgreen Boulevard.

Cimarron is an unincorporated community in Harris County, Texas, United States. It lies 40 km west of the heart of Houston, and six km southeast of Katy, at an elevation of 125 ft (38 m).

St. John XXIII College Preparatory, formerly Pope John XXIII High School, is a Catholic independent, non-profit, coeducational, private day school in unincorporated Harris County, Texas, United States, near Katy. The school serves grades 9–12. The academic year consists of two semesters extending from approximately August to December and January to May. Student leadership development through the Works of Mercy program is a distinct characteristic of the school, and leadership principles are integrated into every course at St. John XXIII. 'SJ23' is accredited by/a member of the Roman Catholic Archdiocese of Galveston-Houston (RCAGH), led by Archbishop Daniel DiNardo. SJ23 is also the newest private day school in the Katy area for over fifty years, effective 2004. It is located at 1800 West Grand Parkway North. The principal is Joseph Noonan .

Forbidden Gardens (simplified Chinese: 紫禁花园; traditional Chinese: 紫禁花園 ) was an outdoor museum of Chinese culture and history located on Texas Highway 99 and Franz Road in northern Katy, Greater Houston, Texas, United States. The museum was funded and opened by businessman Ira Poon in 1996. Forbidden Gardens closed its doors in 2011.

Mayde Creek High School (MCHS) is a public high school located on Groschke Road in unincorporated Harris County, Texas, and is part of the Katy Independent School District. Mayde Creek serves the portions of the city of Houston located in Katy ISD, including Addicks. Mayde Creek also serves many unincorporated communities in Harris County. The school opened in 1984. When the school opened it had only two grades, eighth and ninth. By the 1986-1987 academic year it held 9th, 10th and 11th graders; the first class of students graduated in 1988. The school building is divided into two sections, the smaller of which serves as the "Ninth Grade Center". There is a Performing Arts Center and a Natatorium. Unusual architectural features of the Mayde Creek High School campus include an open floor-plan cafeteria, a wall, and many glass bricks.

Houston Methodist West Hospital, located in west Houston, Texas, is one of seven community hospitals that are part of Houston Methodist. It employs about 1,500 people, has an estimated 800 affiliated doctors and admits roughly 12,000 patients annually. The hospital serves the Katy community.

Memorial Hermann Katy Hospital is a hospital in unincorporated Harris County, Texas, near Katy and in Greater Houston. It is a part of the Memorial Hermann Healthcare System. Pediatric care to the hospital is provided by doctors from Children's Memorial Hermann Hospital which treats infants, children, teens, and young adults age 0-21.

Patricia E. Paetow High School (PHS) is a senior high school in unincorporated Harris County, Texas, in Greater Katy. It is a part of the Katy Independent School District. The school opened in August 2017 to 9th and 10th grade students, relieving Katy High School and Morton Ranch High School. The more than 635,000-square-foot (59,000 m2) building, with a capacity of 3,000, has three stories. On December 17, 2020, Paetow’s football team had their season cut short due to Covid-19 Outbreak. On December 17, 2021, Paetow won the UIL Football Conference 5A Division 1 State Championship.