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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
81.5%Adequacy Gapi
$338.2MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $592.7M to adequately educate all students in this district. The district currently has $450.2M in resources — that's 75.96% of what it needs. There's a $142.5M gap between what the district has and what it needs.
What it needsi
$592.7M
What it hasi
$450.2M
From the statei
$312.1M
This district is better funded than 34% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $325.3M to adequately educate all students in this district. The district currently has $252.8M in resources — that's 77.72% of what it needs. There's a $72.5M gap between what the district has and what it needs.
What it needsi
$325.3M
What it hasi
$252.8M
From the statei
$84.9M
This district is better funded than 42% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $244.3M to adequately educate all students in this district. The district currently has $187.8M in resources — that's 76.87% of what it needs. There's a $56.5M gap between what the district has and what it needs.
What it needsi
$244.3M
What it hasi
$187.8M
From the statei
$18.5M
This district is better funded than 37% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $211.8M to adequately educate all students in this district. The district currently has $180.4M in resources — that's 85.17% of what it needs. There's a $31.4M gap between what the district has and what it needs.
What it needsi
$211.8M
What it hasi
$180.4M
From the statei
$12.3M
This district is better funded than 61% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $180.8M to adequately educate all students in this district. The district currently has $145.5M in resources — that's 80.48% of what it needs. There's a $35.3M gap between what the district has and what it needs.
What it needsi
$180.8M
What it hasi
$145.5M
From the statei
$17.0M
This district is better funded than 51% of districts statewide.
At or above 100% of adequacy — fully funded
The state estimates it costs $118.0M to adequately educate all students in this district. The district currently has $139.9M in resources — that's 118.57% of what it needs. This district meets or exceeds its funding target.
What it needsi
$118.0M
What it hasi
$139.9M
From the statei
$6.5M
This district is better funded than 90% of districts statewide.
Statewide Tier Distributioni