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Air Quality Testing

The Hillsboro School District conducts air quality testing at schools at a minimum of every four years (and by request), which is within state regulations and outlined in our Healthy and Safe Schools Plan. Our monitoring program measures four main areas using a random sampling of occupied rooms: carbon dioxide; carbon monoxide; temperature; and relative humidity and moisture. Please note: Airborne fungal particulate testing is not required under state or federal regulations as there are no guidelines as to what constitutes acceptable levels. 

HHS_IAQ_20260212.pdfSchool or Facility

Most Recent Air Quality Test Results

Brookwood Elementary pdf: November 2018, Indoor Air Quality Report
Brown Middle School pdf: April 2016, Indoor Air Quality Report
Butternut Creek Elementary pdf: November 2025, Cafeteria and adjacent areas
pdf: September 2015, Indoor Air Quality Report
Century High School pdf: April 2016, Indoor Air Quality Report
Farmington View Elementary pdf: January 2018, Indoor Air Quality Report
Groner Elementary 

pdf: December 2025, Indoor Air Quality Report, Rm 10 & 11
pdf: August 2019, Indoor Air Quality Report

Eastwood Elementary pdf: May 2017, Indoor Air Quality Report
Evergreen Middle School pdf: June 2018, Indoor Air Quality Report
Free Orchards Elementary pdf: January 2018, Indoor Air Quality Report
Glencoe High School pdf: June 2018, Indoor Air Quality Report
Hillsboro High School (Hilhi)

pdf: February 2025, Register Office

pdf: September 2025, Room LA6A

pdf: August 2019, Indoor Air Quality Report

Imlay Elementary pdf: April 2017, Indoor Air Quality Report
Indian Hills Elementary pdf: October 2015, Indoor Air Quality Report
Jackson Elementary  pdf: January 2018, Indoor Air Quality Report
Lenox Elementary

pdf: September 2024, Indoor Air Quality Report
Lenox Elementary School Music Room

Liberty High School

pdf: July 2023, Indoor Air Quality Report
pdf: December 2024, IAQ Report, Room 131

Lincoln Street Elementary pdf: January 2018, Indoor Air Quality Report
McKinney Elementary pdf: December 2023, Indoor Air Quality Report
Minter Bridge Elementary pdf: June 2023, Indoor Air Quality Report
Mooberry Elementary pdf: February 2017, Indoor Air Quality Report
North Plains Elementary pdf: June 2023, Indoor Air Quality Report
Orenco Elementary

pdf: October 2025, Indoor Air Quality Report

pdf: April 2017, Indoor Air Quality Report

Patterson Elementary pdf: April 2018, Indoor Air Quality Report
Poynter Middle School

pdf: March 30, 2026, Follow-up Indoor Air Quality Report, Mechanical Room and hallway outside CR15 (tests done March 22, 25, and 26, 2026)

pdf: March 11, 2026, Follow-up Indoor Air Quality Report, Boys Restroom near main office (test done on March 9, 2026)

pdf: March 5, 2026, Initial testing of east section of the school - Gym, Shop, Locker Rooms, Music/Drama Room (tests done February 26, 2026)

pdf: March 3, 2026, Follow-Up Indoor Air Quality Report, Classroom 12, Music/Drama Room, Restrooms (tests done March 2, 2026)

pdf: March 3, 2026, Follow-Up Indoor Air Quality Report, Classroom 12 (tests done February 26, 2026)

pdf: February 27, 2026, Follow-Up Indoor Air Quality Report, Classroom 12

pdf: February 27, 2026, Follow-Up Indoor Air Quality Report

pdf: February 25, 2026, Follow-Up Indoor Air Quality Report

pdf: February 23, 2026, Follow-Up Indoor Air Quality Report

pdf: February 18, 2026, Indoor Air Quality Report

pdf: April 2017, Indoor Air Quality Report

Reedville Elementary pdf: February 2016, Indoor Air Quality Report
Quatama Elementary pdf: May 2017, Indoor Air Quality Report
Tobias Elementary pdf: February 2016, Indoor Air Quality Report
West Union Elementary pdf: December 2023, Indoor Air Quality Report