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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
88.3%Adequacy Gapi
$5.4MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $15.1M to adequately educate all students in this district. The district currently has $12.5M in resources — that's 82.48% of what it needs. There's a $2.7M gap between what the district has and what it needs.
What it needsi
$15.1M
What it hasi
$12.5M
From the statei
$5.1M
This district is better funded than 56% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $14.5M to adequately educate all students in this district. The district currently has $12.1M in resources — that's 83.29% of what it needs. There's a $2.4M gap between what the district has and what it needs.
What it needsi
$14.5M
What it hasi
$12.1M
From the statei
$3.7M
This district is better funded than 59% of districts statewide.
90-100% of adequacy — receives limited new state funding
The state estimates it costs $10.8M to adequately educate all students in this district. The district currently has $10.5M in resources — that's 97.18% of what it needs. There's a $303K gap between what the district has and what it needs.
What it needsi
$10.8M
What it hasi
$10.5M
From the statei
$1.2M
This district is better funded than 73% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $966K to adequately educate all students in this district. The district currently has $1.3M in resources — that's 138.9% of what it needs. This district meets or exceeds its funding target.
What it needsi
$966K
What it hasi
$1.3M
From the statei
$42K
This district is better funded than 95% of districts statewide.
Statewide Tier Distributioni