Common Sense Institute: Arizona K–12 enrollment decline, demographic shift creating fiscal and capacity challenges

Glenn Farley, director of policy and research at the Common Sense Institute, told the Senate Education Committee of Reference that Arizona’s 5‑to‑17 population has fallen since 2022 and that K–12 enrollment is now declining statewide, a change he said is already producing fiscal and facility stress.

Farley said the state’s total population is growing again while the 5‑to‑17 cohort has contracted, and that kindergarten enrollment peaked in 2012 and has declined each year since. “Every class in the state's public school system is likely to be smaller next year than it was this year,” Farley said, describing this as a “today problem” rather than a long‑term projection.

Why it matters: Farley told senators that Arizona’s funding formulas allocate most dollars on a per‑pupil basis and that the state and local governments together spend roughly $16 billion annually on K–12 education (about $14 billion state and local and about $2 billion federal, as presented). He said per‑pupil funding has risen roughly 40% since before the pandemic — to about $15,000 combined per student — and that enrollment declines have so far produced an estimated $550 million annual reduction in taxpayer costs that has largely been reinvested back into schools.

Farley described a second factor beyond demographics that accelerated district decline: changes in parental enrollment choices since the pandemic. He said charter enrollment growth, homeschooling and private school shifts contributed to a decline in the share of kindergarteners entering district schools — from an estimated 80% in 2018–19 to roughly 60% in 2023 — amplifying the effect of fewer children overall.

He also addressed capacity and capital spending: using 2022 figures, Farley said Arizona had physical capacity for about 1.3 million students while enrolling about 800,000, and that local bond and override elections requested roughly $4 billion and secured about $3 billion in voter‑approved capital. He characterized the system as materially overbuilt and said continuing to raise per‑pupil spending while the student base shrinks may be unsustainable for state finances.

Farley emphasized that districts and charters vary: 33 districts (about 15% of districts, by his account) grew by at least 10% since 2019 while 3⁄4 of districts are shrinking. He gave an illustrative comparison of new‑school need (based on an estimated $30,000 per student construction cost cited from a School Facilities Division report) versus actual capital spending since 2019, arguing the state and local system has invested far more in new facilities than simple enrollment growth would appear to require.

On policy responses, Farley said school choice expansions such as Empowerment Scholarship Accounts are a symptom rather than the primary cause of the decline, and urged statewide policy changes to manage an overbuilt system equitably and efficiently rather than relying indefinitely on increased per‑pupil spending.

Quotes and context are drawn from Farley’s presentation to the Senate Education Committee of Reference. The committee asked staff to receive the Common Sense Institute slides for follow‑up and indicated interest in continued discussion and data sharing.

Ending: Farley and committee members agreed the decline and its fiscal implications merit further attention. He offered to provide the presentation in PDF to committee members, and senators requested follow‑up information and additional discussion in coming meetings.