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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
86.7%Adequacy Gapi
$83.3MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $133.3M to adequately educate all students in this district. The district currently has $92.6M in resources — that's 69.41% of what it needs. There's a $40.8M gap between what the district has and what it needs.
What it needsi
$133.3M
What it hasi
$92.6M
From the statei
$9.1M
This district is better funded than 10% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $102.3M to adequately educate all students in this district. The district currently has $81.1M in resources — that's 79.31% of what it needs. There's a $21.2M gap between what the district has and what it needs.
What it needsi
$102.3M
What it hasi
$81.1M
From the statei
$15.3M
This district is better funded than 48% of districts statewide.
90-100% of adequacy — receives limited new state funding
The state estimates it costs $79.3M to adequately educate all students in this district. The district currently has $73.2M in resources — that's 92.3% of what it needs. There's a $6.1M gap between what the district has and what it needs.
What it needsi
$79.3M
What it hasi
$73.2M
From the statei
$4.6M
This district is better funded than 69% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $63.5M to adequately educate all students in this district. The district currently has $55.5M in resources — that's 87.44% of what it needs. There's a $8.0M gap between what the district has and what it needs.
What it needsi
$63.5M
What it hasi
$55.5M
From the statei
$5.7M
This district is better funded than 63% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $59.9M to adequately educate all students in this district. The district currently has $52.6M in resources — that's 87.84% of what it needs. There's a $7.3M gap between what the district has and what it needs.
What it needsi
$59.9M
What it hasi
$52.6M
From the statei
$3.9M
This district is better funded than 64% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $49.0M to adequately educate all students in this district. The district currently has $52.9M in resources — that's 107.85% of what it needs. This district meets or exceeds its funding target.
What it needsi
$49.0M
What it hasi
$52.9M
From the statei
$3.9M
This district is better funded than 84% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $19.2M to adequately educate all students in this district. The district currently has $26.4M in resources — that's 137.5% of what it needs. This district meets or exceeds its funding target.
What it needsi
$19.2M
What it hasi
$26.4M
From the statei
$1.4M
This district is better funded than 95% of districts statewide.
Statewide Tier Distributioni