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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
166.6%Funding vs. Needi
District Detail
At or above 100% of adequacy — fully funded
The state estimates it costs $52.7M to adequately educate all students in this district. The district currently has $78.9M in resources — that's 149.88% of what it needs. This district meets or exceeds its funding target.
What it needsi
$52.7M
What it hasi
$78.9M
From the statei
$3.4M
This district is better funded than 97% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $50.1M to adequately educate all students in this district. The district currently has $99.5M in resources — that's 198.55% of what it needs. This district meets or exceeds its funding target.
What it needsi
$50.1M
What it hasi
$99.5M
From the statei
$1.9M
This district is better funded than 100% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $36.4M to adequately educate all students in this district. The district currently has $58.9M in resources — that's 161.78% of what it needs. This district meets or exceeds its funding target.
What it needsi
$36.4M
What it hasi
$58.9M
From the statei
$1.8M
This district is better funded than 98% of districts statewide.
Below 60% of adequacy — receives the largest share of new state funding
The state estimates it costs $2.5M to adequately educate all students in this district. The district currently has $5.0M in resources — that's 2.02% of what it needs. This district meets or exceeds its funding target.
What it needsi
$2.5M
What it hasi
$5.0M
From the statei
$140K
This district is better funded than 0% of districts statewide.
Statewide Tier Distributioni