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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
68.3%Adequacy Gapi
$206.1MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $441.5M to adequately educate all students in this district. The district currently has $287.6M in resources — that's 65.14% of what it needs. There's a $153.9M gap between what the district has and what it needs.
What it needsi
$441.5M
What it hasi
$287.6M
From the statei
$185.1M
This district is better funded than 5% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $115.6M to adequately educate all students in this district. The district currently has $84.8M in resources — that's 73.38% of what it needs. There's a $30.8M gap between what the district has and what it needs.
What it needsi
$115.6M
What it hasi
$84.8M
From the statei
$47.9M
This district is better funded than 23% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $89.2M to adequately educate all students in this district. The district currently has $67.8M in resources — that's 75.95% of what it needs. There's a $21.5M gap between what the district has and what it needs.
What it needsi
$89.2M
What it hasi
$67.8M
From the statei
$34.5M
This district is better funded than 34% of districts statewide.
Statewide Tier Distributioni