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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
125.9%Adequacy Gapi
$2.1MFunding vs. Needi
District Detail
At or above 100% of adequacy — fully funded
The state estimates it costs $75.3M to adequately educate all students in this district. The district currently has $91.6M in resources — that's 121.74% of what it needs. This district meets or exceeds its funding target.
What it needsi
$75.3M
What it hasi
$91.6M
From the statei
$2.5M
This district is better funded than 91% of districts statewide.
90-100% of adequacy — receives limited new state funding
The state estimates it costs $53.8M to adequately educate all students in this district. The district currently has $51.6M in resources — that's 96.01% of what it needs. There's a $2.1M gap between what the district has and what it needs.
What it needsi
$53.8M
What it hasi
$51.6M
From the statei
$4.6M
This district is better funded than 72% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $51.2M to adequately educate all students in this district. The district currently has $84.8M in resources — that's 165.63% of what it needs. This district meets or exceeds its funding target.
What it needsi
$51.2M
What it hasi
$84.8M
From the statei
$2.1M
This district is better funded than 99% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $29.3M to adequately educate all students in this district. The district currently has $36.5M in resources — that's 124.57% of what it needs. This district meets or exceeds its funding target.
What it needsi
$29.3M
What it hasi
$36.5M
From the statei
$1.8M
This district is better funded than 92% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $26.3M to adequately educate all students in this district. The district currently has $35.1M in resources — that's 133.43% of what it needs. This district meets or exceeds its funding target.
What it needsi
$26.3M
What it hasi
$35.1M
From the statei
$1.0M
This district is better funded than 94% of districts statewide.
Below 60% of adequacy — receives the largest share of new state funding
The state estimates it costs $2.1M to adequately educate all students in this district. The district currently has $5.5M in resources — that's 2.55% of what it needs. This district meets or exceeds its funding target.
What it needsi
$2.1M
What it hasi
$5.5M
From the statei
$104K
This district is better funded than 1% of districts statewide.
Statewide Tier Distributioni