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Showing latest fiscal year. Full funding history available with a paid plan. View plans →

School Funding — FY2026i

Source

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

80%

Adequacy Gapi

$33.3M

Funding vs. Needi

WAUCONDA COMM UNIT S DIST 11875.09%
$51.1M funded$68.0M target
MCHENRY C C SCHOOL DIST 1587.95%
$53.0M funded$60.2M target
MCHENRY COMM H S DIST 15675%
$27.3M funded$36.4M target

District Detail

WAUCONDA COMM UNIT S DIST 118Tier 2
75.09% funded$16.9M gap

60-90% of adequacy — receives moderate new state funding

The state estimates it costs $68.0M to adequately educate all students in this district. The district currently has $51.1M in resources — that's 75.09% of what it needs. There's a $16.9M gap between what the district has and what it needs.

What it needsi

$68.0M

What it hasi

$51.1M

From the statei

$14.0M

This district is better funded than 31% of districts statewide.

MCHENRY C C SCHOOL DIST 15Tier 2
87.95% funded$7.3M gap

60-90% of adequacy — receives moderate new state funding

The state estimates it costs $60.2M to adequately educate all students in this district. The district currently has $53.0M in resources — that's 87.95% of what it needs. There's a $7.3M gap between what the district has and what it needs.

What it needsi

$60.2M

What it hasi

$53.0M

From the statei

$10.6M

This district is better funded than 64% of districts statewide.

MCHENRY COMM H S DIST 156Tier 2
75% funded$9.1M gap

60-90% of adequacy — receives moderate new state funding

The state estimates it costs $36.4M to adequately educate all students in this district. The district currently has $27.3M in resources — that's 75% of what it needs. There's a $9.1M gap between what the district has and what it needs.

What it needsi

$36.4M

What it hasi

$27.3M

From the statei

$11.0M

This district is better funded than 30% of districts statewide.

Statewide Tier Distributioni

Tier 1: 36
Tier 2: 579 (yours)
Tier 3: 96
Tier 4: 221