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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
91.5%Adequacy Gapi
$191.2MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $391.6M to adequately educate all students in this district. The district currently has $329.2M in resources — that's 84.06% of what it needs. There's a $62.4M gap between what the district has and what it needs.
What it needsi
$391.6M
What it hasi
$329.2M
From the statei
$43.5M
This district is better funded than 60% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $364.0M to adequately educate all students in this district. The district currently has $286.1M in resources — that's 78.59% of what it needs. There's a $77.9M gap between what the district has and what it needs.
What it needsi
$364.0M
What it hasi
$286.1M
From the statei
$141.0M
This district is better funded than 45% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $229.3M to adequately educate all students in this district. The district currently has $282.1M in resources — that's 123% of what it needs. This district meets or exceeds its funding target.
What it needsi
$229.3M
What it hasi
$282.1M
From the statei
$12.7M
This district is better funded than 91% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $240.6M to adequately educate all students in this district. The district currently has $195.6M in resources — that's 81.3% of what it needs. There's a $45.0M gap between what the district has and what it needs.
What it needsi
$240.6M
What it hasi
$195.6M
From the statei
$51.4M
This district is better funded than 53% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $75.6M to adequately educate all students in this district. The district currently has $90.2M in resources — that's 119.38% of what it needs. This district meets or exceeds its funding target.
What it needsi
$75.6M
What it hasi
$90.2M
From the statei
$4.0M
This district is better funded than 90% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $44.3M to adequately educate all students in this district. The district currently has $39.9M in resources — that's 89.93% of what it needs. There's a $4.5M gap between what the district has and what it needs.
What it needsi
$44.3M
What it hasi
$39.9M
From the statei
$4.2M
This district is better funded than 66% of districts statewide.
90-100% of adequacy — receives limited new state funding
The state estimates it costs $37.5M to adequately educate all students in this district. The district currently has $36.1M in resources — that's 96.29% of what it needs. There's a $1.4M gap between what the district has and what it needs.
What it needsi
$37.5M
What it hasi
$36.1M
From the statei
$1.8M
This district is better funded than 72% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $20.8M to adequately educate all students in this district. The district currently has $21.6M in resources — that's 103.89% of what it needs. This district meets or exceeds its funding target.
What it needsi
$20.8M
What it hasi
$21.6M
From the statei
$884K
This district is better funded than 80% of districts statewide.
Statewide Tier Distributioni