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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
76.5%Adequacy Gapi
$90.2MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $173.0M to adequately educate all students in this district. The district currently has $140.8M in resources — that's 81.38% of what it needs. There's a $32.2M gap between what the district has and what it needs.
What it needsi
$173.0M
What it hasi
$140.8M
From the statei
$119.6M
This district is better funded than 54% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $156.0M to adequately educate all students in this district. The district currently has $106.0M in resources — that's 67.99% of what it needs. There's a $49.9M gap between what the district has and what it needs.
What it needsi
$156.0M
What it hasi
$106.0M
From the statei
$83.2M
This district is better funded than 8% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $35.6M to adequately educate all students in this district. The district currently has $27.5M in resources — that's 77.36% of what it needs. There's a $8.1M gap between what the district has and what it needs.
What it needsi
$35.6M
What it hasi
$27.5M
From the statei
$11.8M
This district is better funded than 40% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $5.1M to adequately educate all students in this district. The district currently has $7.7M in resources — that's 152.65% of what it needs. This district meets or exceeds its funding target.
What it needsi
$5.1M
What it hasi
$7.7M
From the statei
$958K
This district is better funded than 97% of districts statewide.
Statewide Tier Distributioni