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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
111.7%Adequacy Gapi
$3.5MFunding vs. Needi
District Detail
At or above 100% of adequacy — fully funded
The state estimates it costs $59.7M to adequately educate all students in this district. The district currently has $71.5M in resources — that's 119.72% of what it needs. This district meets or exceeds its funding target.
What it needsi
$59.7M
What it hasi
$71.5M
From the statei
$2.8M
This district is better funded than 90% of districts statewide.
90-100% of adequacy — receives limited new state funding
The state estimates it costs $40.2M to adequately educate all students in this district. The district currently has $36.7M in resources — that's 91.28% of what it needs. There's a $3.5M gap between what the district has and what it needs.
What it needsi
$40.2M
What it hasi
$36.7M
From the statei
$3.5M
This district is better funded than 67% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $17.9M to adequately educate all students in this district. The district currently has $25.6M in resources — that's 142.76% of what it needs. This district meets or exceeds its funding target.
What it needsi
$17.9M
What it hasi
$25.6M
From the statei
$1.6M
This district is better funded than 96% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $13.3M to adequately educate all students in this district. The district currently has $13.6M in resources — that's 102.63% of what it needs. This district meets or exceeds its funding target.
What it needsi
$13.3M
What it hasi
$13.6M
From the statei
$575K
This district is better funded than 79% of districts statewide.
Statewide Tier Distributioni