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Illinois uses Evidence-Based Funding to determine whether your school districts have enough money. Here's where they stand.
What is Evidence-Based Funding?
Illinois' Evidence-Based Funding (EBF) formula, enacted in 2017, calculates an Adequacy Target for each district — the estimated cost to provide an adequate education. It then compares each district's available resources to that target.
Districts are assigned to Tiers 1-4 based on their percentage of adequacy. Tier 1 districts (most underfunded) receive the largest share of new state funding.
Tier 1: Below 60% of adequacy
Tier 2: 60% to below 90% of adequacy
Tier 3: 90% to below 100% of adequacy
Tier 4: At or above 100% of adequacy
Source: ISBE Evidence-Based Funding
Avg % of Adequacyi
88.6%Adequacy Gapi
$47.0MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $87.0M to adequately educate all students in this district. The district currently has $57.6M in resources — that's 66.24% of what it needs. There's a $29.4M gap between what the district has and what it needs.
What it needsi
$87.0M
What it hasi
$57.6M
From the statei
$16.4M
This district is better funded than 6% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $74.5M to adequately educate all students in this district. The district currently has $56.9M in resources — that's 76.37% of what it needs. There's a $17.6M gap between what the district has and what it needs.
What it needsi
$74.5M
What it hasi
$56.9M
From the statei
$45.4M
This district is better funded than 36% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $52.7M to adequately educate all students in this district. The district currently has $61.6M in resources — that's 116.94% of what it needs. This district meets or exceeds its funding target.
What it needsi
$52.7M
What it hasi
$61.6M
From the statei
$6.2M
This district is better funded than 89% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $18.2M to adequately educate all students in this district. The district currently has $22.6M in resources — that's 124.09% of what it needs. This district meets or exceeds its funding target.
What it needsi
$18.2M
What it hasi
$22.6M
From the statei
$1.1M
This district is better funded than 92% of districts statewide.
Statewide Tier Distributioni