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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
74.2%Adequacy Gapi
$48.0MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $120.5M to adequately educate all students in this district. The district currently has $90.8M in resources — that's 75.38% of what it needs. There's a $29.7M gap between what the district has and what it needs.
What it needsi
$120.5M
What it hasi
$90.8M
From the statei
$79.8M
This district is better funded than 31% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $35.6M to adequately educate all students in this district. The district currently has $26.2M in resources — that's 73.75% of what it needs. There's a $9.3M gap between what the district has and what it needs.
What it needsi
$35.6M
What it hasi
$26.2M
From the statei
$11.0M
This district is better funded than 24% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $30.6M to adequately educate all students in this district. The district currently has $21.6M in resources — that's 70.48% of what it needs. There's a $9.0M gap between what the district has and what it needs.
What it needsi
$30.6M
What it hasi
$21.6M
From the statei
$9.1M
This district is better funded than 12% of districts statewide.
Statewide Tier Distributioni