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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
79.9%Adequacy Gapi
$124.9MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $325.3M to adequately educate all students in this district. The district currently has $252.8M in resources — that's 77.72% of what it needs. There's a $72.5M gap between what the district has and what it needs.
What it needsi
$325.3M
What it hasi
$252.8M
From the statei
$84.9M
This district is better funded than 42% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $100.8M to adequately educate all students in this district. The district currently has $83.3M in resources — that's 82.62% of what it needs. There's a $17.5M gap between what the district has and what it needs.
What it needsi
$100.8M
What it hasi
$83.3M
From the statei
$15.7M
This district is better funded than 57% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $92.3M to adequately educate all students in this district. The district currently has $71.0M in resources — that's 76.92% of what it needs. There's a $21.3M gap between what the district has and what it needs.
What it needsi
$92.3M
What it hasi
$71.0M
From the statei
$30.8M
This district is better funded than 38% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $84.3M to adequately educate all students in this district. The district currently has $70.7M in resources — that's 83.84% of what it needs. There's a $13.6M gap between what the district has and what it needs.
What it needsi
$84.3M
What it hasi
$70.7M
From the statei
$17.2M
This district is better funded than 60% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $11.7M to adequately educate all students in this district. The district currently has $12.0M in resources — that's 103.17% of what it needs. This district meets or exceeds its funding target.
What it needsi
$11.7M
What it hasi
$12.0M
From the statei
$709K
This district is better funded than 79% of districts statewide.
Statewide Tier Distributioni