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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
79.2%Adequacy Gapi
$174.9MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $242.0M to adequately educate all students in this district. The district currently has $189.5M in resources — that's 78.31% of what it needs. There's a $52.5M gap between what the district has and what it needs.
What it needsi
$242.0M
What it hasi
$189.5M
From the statei
$112.0M
This district is better funded than 44% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $233.2M to adequately educate all students in this district. The district currently has $177.8M in resources — that's 76.26% of what it needs. There's a $55.4M gap between what the district has and what it needs.
What it needsi
$233.2M
What it hasi
$177.8M
From the statei
$157.9M
This district is better funded than 35% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $184.6M to adequately educate all students in this district. The district currently has $141.8M in resources — that's 76.8% of what it needs. There's a $42.8M gap between what the district has and what it needs.
What it needsi
$184.6M
What it hasi
$141.8M
From the statei
$76.8M
This district is better funded than 37% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $99.9M to adequately educate all students in this district. The district currently has $75.8M in resources — that's 75.8% of what it needs. There's a $24.2M gap between what the district has and what it needs.
What it needsi
$99.9M
What it hasi
$75.8M
From the statei
$33.5M
This district is better funded than 33% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $52.9M to adequately educate all students in this district. The district currently has $55.7M in resources — that's 105.2% of what it needs. This district meets or exceeds its funding target.
What it needsi
$52.9M
What it hasi
$55.7M
From the statei
$7.3M
This district is better funded than 82% of districts statewide.
Statewide Tier Distributioni