2026 Arizona Superintendent of Public Instruction election

2026 Arizona Superintendent of Public Instruction election

November 3, 2026
 
Nominee Kimberly Yee Teresa Ruiz
Party Republican Democratic

Incumbent Superintendent

Tom Horne
Republican



The 2026 Arizona Superintendent of Public Instruction election will take place on November 3, 2026, to elect the Superintendent of Public Instruction of Arizona. Incumbent Republican Superintendent Tom Horne was narrowly elected in 2022, he faced a challenge, and lost, in the Republican Primary to fellow Republican state treasurer Kimberly Yee.[1]

Republican primary

Candidates

Nominee

Eliminated in primary

Endorsements

Kimberly Yee
State legislators
Organizations

Polling

Poll source Date(s)
administered
Sample
size[a]
Margin
of error
Tom
Horne
Kimberly
Yee
Undecided
NextGen Polling[6] July 8–9, 2026 1,707 (LV) ± 2.5% 36% 44% 20%
NextGen Polling[7] June 16–17, 2026 1,683 (RV) ± 2.5% 33% 24% 42%

Results

Primary results by county:
  Yee
  •   50–60%
  Horne
  •   50–60%
Results by precinct
  Yee
  •   50–60%
  •   60–70%
  •   70–80%
  •   80–90%
  •   90–100%
  Horne
  •   50–60%
  •   60–70%
  •   70–80%
  •   80–90%
  •   90–100%
  Tie
  •   50%
  No votes
Republican primary results
Party Candidate Votes %
Republican Kimberly Yee 322,387 53.2
Republican Tom Horne (incumbent) 283,333 46.8
Total votes 605,720 100.0

Democratic primary

Candidates

Nominee

Eliminated in primary

  • Brett Newby, educator and Board Certified Behavior Analyst[8]

Withdrawn

Endorsements

Teresa Ruiz
U.S. representatives
Statewide officials

Results

Primary results by county:
  Ruiz
  •   60–70%
  •   70–80%
  •   80–90%
Democratic primary results
Party Candidate Votes %
Democratic Teresa Ruiz 390,671 79.5
Democratic Brett Newby 100,806 20.5
Total votes 491,477 100.0

No Labels primary

Candidates

Did not qualify

  • Stephen Neal Jr.[11]

General election

Polling

Poll source Date(s)
administered
Sample
size[a]
Margin
of error
Kimberly
Yee (R)
Teresa
Ruiz (D)
Other Undecided
HighGround, Inc.[12] August 15–18, 2026 400 (LV) ± 4.9% 41% 42% 1%[b] 16%
Grayhouse (R)[13] August 11–13, 2026 600 (LV) ± 4.0% 45% 42% – 13%
Stealth Analytics[14] August 11–13, 2026 530 (LV) ± 4.3% 42% 38% – 20%
Noble Predictive Insights[15] August 10–13, 2026 923 (LV) ± 3.2% 40% 37% 3%[c] 20%

Notes

  1. 1 2 Key:
    A – all adults
    RV – registered voters
    LV – likely voters
    V – unclear
  2. ↑ "Some other candidate" with 1%
  3. ↑ "Another candidate not listed" with 3%

References

  1. 1 2 Rodriguez, Paola (May 28, 2025). "State Treasurer Kimberly Yee to run for schools post". Arizona Public Media. Retrieved May 29, 2025.
  2. ↑ Hardle, Alexandra (May 28, 2025). "Kimberly Yee says she'll take on Tom Horne to be 2026 Republican superintendent candidate". Arizona Republic. Retrieved May 29, 2025.
  3. ↑ "Tom Horne for Arizona State Superintendent of Public Instruction - Horne 2026". Tom Horne for Arizona State Superintendent of Public Instruction. Retrieved 21 November 2025.
  4. ↑ "Maggie's List Endorses Five More Conservative Women for 2026". maggieslist.org. March 16, 2026. Retrieved March 25, 2026.
  5. ↑ "Endorsements". Turning Point Action. Retrieved 9 December 2025.
  6. ↑ "NEW AZ STATEWIDE POLL: Five Races, Five Clear Leaders — Biggs Dominant, Down-Ballot Races Set". NextGen Polling. July 9, 2026. Retrieved July 13, 2026.
  7. ↑ "Republican Primaries take Shape as the Election gets Closer". NextGen Polling. June 18, 2026. Retrieved June 19, 2026.
  8. ↑ "MEET BRETT". Brett Newby for Superintendent. Retrieved 2026-04-27.
  9. ↑ Sievers, Caitlin (October 17, 2025). "Arizona statewide candidates raise millions ahead of 2026 midterms". Arizona Mirror. Retrieved November 10, 2025.
  10. 1 2 Sievers, Caitlin (14 May 2026). "Democratic school chief candidates debated voucher fraud, teacher shortage and Horne hotline". Arizona Mirror. Retrieved 11 July 2026.
  11. ↑ Duda, Jeremy (31 July 2025). "No Labels Party plots 2026 comeback in Arizona". Axios. Retrieved 21 November 2025.
  12. ↑ "Arizona Democrats Lead Down Ballot Races". HighGround, Inc. August 25, 2026. Retrieved August 25, 2026.
  13. ↑ Archer, Garrett (August 25, 2026). "I was sent an internal poll by a GOP operative from another one of our local pollsters. Democrats are up in 3 of 5 contests and margins are tighter all around". Twitter. Retrieved August 28, 2026.
  14. ↑ "Arizona's Ballot Splits on Incumbency: Hobbs, Mayes, and Fontes Lead an Electorate That Recalls Voting Trump +6, While Republicans Lead Every Lower-Profile Contest". Stealth Analytics. August 17, 2026. Retrieved August 19, 2026.
  15. ↑ "Fontes and Mayes Lead Down-ballot; Yee Holds Narrow Edge for Schools Chief". Noble Predictive Insights. August 25, 2026. Retrieved August 28, 2026.
Official campaign websites