Founded in 1851, the school district covers Hillsboro, Scholls, Reedville, North Plains, West Union, and other area communities.

[10] Eleventh and twelfth grades were soon added, and in June 1911 the first students to complete four years of high school graduated.

[41] The annual budget is $250,935,863 [2] The 26 elementary schools in the district serve students in kindergarten through sixth grade,[38][42] with the exception of Groner as described below.

[44] Located in the middle portion of the city on Southeast Cedar Street, Brookwood Elementary originally opened in 1953 and was named after the area.

[55] Home of the Eagles, the school is located in the central part of the city on Northeast Lincoln Street adjacent to Shadywood Park.

[56][58] Renovations, funded by the 2017 bond measure, were carried out in 2019 and 2020, including a new gym, a new modular building containing 4 classrooms for the preschool housed at Eastwood's campus, a new layout of the parking lot and drop-off areas, and the addition of heating,[59] Opened in 1950, Farmington View was a part of its own single school district before unification in 1996.

A 2017 construction bond built a new modular building containing two classrooms and a restroom on the school's campus in 2018, and renovation improvements were carried out in 2021 including to the layout of the drop-off area and the addition of air conditioning.

[27] The Groner district was created by a merger of the schools for the communities of Midway, Jacktown, and Mountainside south of Hillsboro in 1946.

[74] As of 2009, the school had repeatedly missed targets for federal academic guidelines and must either offer free tutoring or transfers to students under the No Child Left Behind Act.

[86] Originally part of the Reedville School District, Ladd Acres opened in 1968 with eight classrooms, and expanded in 1974.

[27][50][84] Named for William S. Ladd, the school is located on Cornelius Pass Road on the eastern edge of Hillsboro in the Reedville area.

[88] The school was named for early settler David Thomas Lenox who helped establish the nearby West Union Baptist Church, and its mascot is the pioneer.

[91] Located in the Rock Creek area near the Sunset Highway and Cornelius Pass Road, the school has 390 students.

[92] Opened in 2008, the school is located in downtown Hillsboro along northeast Lincoln Street and replaced David Hill Elementary.

[63] The two-story, brick-faced structure was paid for by a 2006 bond measure and was built on the athletic fields of the now-closed J.B. Thomas Middle School.

[103] As of 2009, the school had repeatedly missed targets of federal academic guidelines and must either offer free tutoring or transfers to students under the No Child Left Behind Act.

[119] Reedville School District 29 was formed by 1859 with a one-room schoolhouse built that same year at what is now Johnson Road and 209th Avenue.

[50] This single-story building remains in use as the current Reedville Elementary School, and has a total of 16,247 square feet (1,509.4 m2) of space.

[123] The two-story, red brick building was paid for by a 2006 bond measure,[65] and has environmentally friendly features such as using recycled rainwater for irrigation.

[139][140] As of 2009, the school had repeatedly missed targets of federal academic guidelines and must either offer free tutoring or transfers to students under the No Child Left Behind Act.

[142] Located along what is now Cornelius Pass Road, the school is in the Reedville neighborhood between West Baseline and Tualatin Valley Highway.

[144] Butternut Creek, Tobias, Imlay, Indian Hills, Ladd Acres, and Reedville elementary schools feed into Brown.

Free Orchards, Jackson, McKinney, Patterson, Lincoln Street, and North Plains elementary schools feed into Evergreen.

Henry, Brookwood, Minter Bridge, Farmington View, Groner, Rosedale, and Witch Hazel elementary schools.

[155] The school will share a similar floor plan to that of Atfalati Ridge and Brookwood, with all three buildings paid for by the 2017 construction bond.

[156] In 2002,[158] the district created a Spanish-English dual language immersion program to address the changing needs of the community it serves.

As a response to research[159][160] showing that native language instruction increases general literacy, community involvement, and graduation rates, the program was first implemented at the elementary level (at W. L. Henry and Minter Bridge[158]) and now extends K-12 in the Hillsboro High School feeder.

The district, which as of 2009-2010 enrolled 16% English-language learners, now offers a dual language diploma endorsement,[161] allowing graduates to demonstrate assessed academic proficiency in both English and Spanish.

In neighborhood elementary schools where ELL enrollment is high, early grades are weighted heavily towards the native language.

Grade level advancement blends English at an increasing rate in all academic areas (language arts, math, science, etc.