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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
89.5%Adequacy Gapi
$16.4MFunding vs. Needi
District Detail
90-100% of adequacy — receives limited new state funding
The state estimates it costs $88.0M to adequately educate all students in this district. The district currently has $79.9M in resources — that's 90.78% of what it needs. There's a $8.1M gap between what the district has and what it needs.
What it needsi
$88.0M
What it hasi
$79.9M
From the statei
$55.3M
This district is better funded than 67% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $34.5M to adequately educate all students in this district. The district currently has $28.9M in resources — that's 83.83% of what it needs. There's a $5.6M gap between what the district has and what it needs.
What it needsi
$34.5M
What it hasi
$28.9M
From the statei
$24.7M
This district is better funded than 59% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $15.6M to adequately educate all students in this district. The district currently has $12.9M in resources — that's 82.87% of what it needs. There's a $2.7M gap between what the district has and what it needs.
What it needsi
$15.6M
What it hasi
$12.9M
From the statei
$10.9M
This district is better funded than 58% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $3.1M to adequately educate all students in this district. The district currently has $4.7M in resources — that's 151.18% of what it needs. This district meets or exceeds its funding target.
What it needsi
$3.1M
What it hasi
$4.7M
From the statei
$3.1M
This district is better funded than 97% of districts statewide.
Statewide Tier Distributioni