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Population Review

Census ACS 2023 · 51 states

States With Highest High School Graduation Rates

A high school diploma remains the baseline educational credential for most employment in America. States with the highest completion rates — Montana, Wyoming, and Minnesota — tend to have strong K-12 systems, cultural emphasis on education completion, and economies that reward basic educational attainment. The national high school completion rate has risen steadily over decades to roughly 88%, but significant gaps persist. States with lower completion rates often have higher poverty, larger immigrant populations (where adults may have been educated in other countries' systems), and historical underinvestment in rural or minority-serving schools. A high school diploma correlates with substantially better life outcomes: higher employment, higher income, better health, and lower incarceration rates. Closing the completion gap in lagging states remains a priority for educators and policymakers seeking to expand economic opportunity.

Key Findings

  • 1Montana leads with a high school graduation rate of 94.6%, followed by Maine (94.5%) and Vermont (94.5%).
  • 2The gap between #1 Montana and #51 California (84.6%) is 10.0 percentage points.
  • 3The national median across all states is 91.4% (Delaware at the midpoint).
  • 4The top 10 states are: Montana, Maine, Vermont, New Hampshire, Wyoming, Minnesota, North Dakota, Alaska, Wisconsin, Utah.

Full Ranking: States With Highest High School Graduation Rates

Source: Census ACS 2023 5-Year Estimates

#StateHigh School+Bachelor's+Median Income
1Wyoming94.1%29.9%$74,815
2Wisconsin93.4%32.8%$75,670
3West Virginia88.6%23.3%$57,917
4Washington92.2%38.8%$94,952
5Virginia91.3%41.5%$90,974
6Vermont94.5%42.6%$78,024
7Utah93.3%36.9%$91,750
8Texas85.7%33.1%$76,292
9Tennessee89.6%30.4%$67,097
10South Dakota93.0%31.1%$72,421
11South Carolina89.6%31.5%$66,818
12Rhode Island89.5%37.3%$86,372
13Pennsylvania91.9%34.5%$76,081
14Oregon91.7%36.2%$80,426
15Oklahoma89.1%27.8%$63,603
16Ohio91.6%30.9%$69,680
17North Dakota93.8%32.3%$75,949
18North Carolina89.7%34.7%$69,904
19New York87.9%39.6%$84,578
20New Mexico87.7%30.2%$62,125
21New Jersey90.7%42.9%$101,050
22New Hampshire94.1%39.8%$95,628
23Nevada87.4%27.4%$75,561
24Nebraska92.1%34.1%$74,985
25Montana94.6%34.5%$69,922
26Missouri91.6%31.9%$68,920
27Mississippi86.6%24.2%$54,915
28Minnesota93.9%38.8%$87,556
29Michigan91.9%31.8%$71,149
30Massachusetts91.4%46.6%$101,341
31Maryland91.0%42.7%$101,652
32Maine94.5%35.3%$71,773
33Louisiana86.9%26.6%$60,023
34Kentucky88.5%27.0%$62,417
35Kansas91.9%35.2%$72,639
36Iowa93.2%30.9%$73,147
37Indiana90.2%28.8%$70,051
38Illinois90.3%37.2%$81,702
39Idaho91.7%31.2%$74,636
40Hawaii92.9%35.5%$98,317
41Georgia89.0%34.2%$74,664
42Florida89.6%33.2%$71,711
43District of Columbia92.8%63.6%$106,287
44Delaware91.4%35.3%$82,855
45Connecticut91.3%41.9%$93,760
46Colorado92.8%44.7%$92,470
47California84.6%36.5%$96,334
48Arkansas88.6%25.1%$58,773
49Arizona89.1%32.6%$76,872
50Alaska93.5%31.2%$89,336
51Alabama88.1%27.8%$62,027

Methodology

Rankings are based on American Community Survey (ACS) 2023 5-Year estimates from the US Census Bureau. All 50 states and the District of Columbia are included. The ACS surveys approximately 3.5 million households annually and provides detailed demographic, social, economic, and housing data. 5-Year estimates offer the most reliable data for state-level comparisons by averaging responses over a 60-month period. Percentages may not sum to 100% due to rounding.

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Frequently Asked Questions

Montana has the highest high school graduation rate at 94.6%, according to Census ACS 2023 data. Maine and Vermont round out the top three.

California has the lowest high school graduation rate at 84.6%. Texas is second-lowest at 85.7%.

The median across all 51 states is 91.4%. Note that the national median and the state-level median are calculated differently — the state median represents the midpoint when all states are ranked.

This data comes from the American Community Survey (ACS) 2023 5-Year estimates published by the US Census Bureau. The ACS surveys approximately 3.5 million households annually and provides the most comprehensive demographic data available between decennial censuses.

Rankings are based on the latest available Census ACS data (currently 2023 5-Year estimates). The Census Bureau releases new ACS data annually, typically in September. Our data was last updated on April 12, 2026.

Rankings are based on American Community Survey (ACS) 2023 5-Year estimates from the US Census Bureau. All 50 states and the District of Columbia are included. The ACS surveys approximately 3.5 million households annually and provides detailed demographic, social, economic, and housing data. 5-Year estimates offer the most reliable data for state-level comparisons by averaging responses over a 60-month period. Percentages may not sum to 100% due to rounding.