2025 Biennial School Election Filing Calendar

2025 Biennial School Election filing calendar (PDF)

Coordinated Election: Tuesday, November 4, 2025

This calendar applies to the following committees who participate in the 2025 Biennial School Board Election (refer to Campaign Finance Rule 17):

  • County school board candidates who attempt access to or appear on the 2025 Biennial School Board Election ballot
  • County candidate committees whose candidate attempts access to or appears on the 2025 Biennial School Board Election ballot
  • State & County Political Parties
  • State & County Political Committees & Small Donor Committees
  • State & County Independent Expenditure Committees
  • State & County 527 Political Organizations

2025 Calendar

Report due date Reporting period
May 1, 2025 December 6, 2024, or January 1, 2025, through April 26, 2025

June 2, 2025*

April 27, 2025, through May 27, 2025

July 1, 2025

May 28, 2025, through June 26, 2025

August 1, 2025

June 27, 2025, through July 27, 2025

September 2, 2025*

July 28, 2025, through August 27, 2025

September 15, 2025+

August 28, 2025, through September 10, 2025
September 29, 2025+ September 11, 2025, through September 24, 2025
October 14, 2025*+ September 25, 2025, through October 8, 2025
October 27, 2025+ October 9, 2025, through October 22, 2025
December 9, 2025+ October 23, 2025, through December 4, 2025

*Date affected by holiday or weekend.
+Regular biennial school electioneering communication (EC) activity may be included on report.

Supplemental report requirements & additional notes

Supplemental reports may be required depending on your political activity.

  • Regular biennial school electioneering communication (if the communication mentions school board candidates) period starts 60 days (September 5, 2025) before the Biennial School Election and concludes the day before the election. If you are a registered
    committee, this will appear on your regular report.
  • 24-hour notice of major contributor report period starts 30 days (October 5, 2025) before the Biennial School Board Election and concludes the day before the election. Reports are due within 24 hours of receiving a major contribution. Applies to candidate committees whose office appears on the Biennial School Board Election ballot. Political parties are not required to file this report during the odd-calendar year.
  • 48-hour notice of independent expenditure report period starts 30 days (October 5, 2025) before the Biennial School Election and concludes the day before the election. Report is due within 48 hours of obligating funds and / or spending. Only applies to  Independent Expenditure Committees.

Questions?

Contact the office or review the Colorado Campaign and Political Finance manual (PDF).