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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
69.1%Adequacy Gapi
$76.0MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $199.8M to adequately educate all students in this district. The district currently has $129.9M in resources — that's 65.02% of what it needs. There's a $69.9M gap between what the district has and what it needs.
What it needsi
$199.8M
What it hasi
$129.9M
From the statei
$72.3M
This district is better funded than 5% of districts statewide.
90-100% of adequacy — receives limited new state funding
The state estimates it costs $18.9M to adequately educate all students in this district. The district currently has $18.4M in resources — that's 97.3% of what it needs. There's a $510K gap between what the district has and what it needs.
What it needsi
$18.9M
What it hasi
$18.4M
From the statei
$2.5M
This district is better funded than 74% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $13.7M to adequately educate all students in this district. The district currently has $11.0M in resources — that's 80.25% of what it needs. There's a $2.7M gap between what the district has and what it needs.
What it needsi
$13.7M
What it hasi
$11.0M
From the statei
$1.5M
This district is better funded than 50% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $10.2M to adequately educate all students in this district. The district currently has $7.3M in resources — that's 71.27% of what it needs. There's a $2.9M gap between what the district has and what it needs.
What it needsi
$10.2M
What it hasi
$7.3M
From the statei
$1.4M
This district is better funded than 15% of districts statewide.
Statewide Tier Distributioni