Ranking of Hawaii Cities and Places By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Hawaii (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 26.85%. Among all Hawaii cities and places with a population of 10K or higher, Nanakuli CDP had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (55.83%), followed by Waianae CDP (49.63%), and Waihee-Waiehu CDP (40.00%).

The chart below shows the top 10 Hawaii cities and places (with a population of 10K+), and the table below shows the ranking of all Hawaii cities and places (with a population of 10K+).

You can see similar information for other educational attainments.

You can also see similar information for other states and for the United States.

Ranking of Hawaii Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Nanakuli CDP
Waianae CDP
Waihee-Waiehu CDP
Lahaina CDP
Maili CDP
Waipahu CDP
Ewa Beach CDP
Hawaiian Paradise Park CDP
Kahului CDP
Wahiawa CDP
Ranking of Hawaii Cities and Places By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Nanakuli CDP 55.83
2 Waianae CDP 49.63
3 Waihee-Waiehu CDP 40.00
4 Lahaina CDP 38.92
5 Maili CDP 36.86
6 Waipahu CDP 35.59
7 Ewa Beach CDP 35.52
8 Hawaiian Paradise Park CDP 33.67
9 Kahului CDP 31.97
10 Wahiawa CDP 31.31
11 Halawa CDP 30.07
12 Waimea CDP (Hawaii County) 29.84
13 Makakilo CDP 29.71
14 Ewa Gentry CDP 29.21
15 Kihei CDP 29.08
16 Kaneohe CDP 28.77
17 Kapolei CDP 28.54
18 Kaiminani CDP 28.53
19 Royal Kunia CDP 27.55
20 Hilo CDP 27.42
21 Waimalu CDP 27.14
22 Kapaa CDP 27.06
23 Kaneohe Base CDP 26.45
24 Wailuku CDP 26.18
25 Waipio CDP 25.69
26 Pearl City CDP 25.50
27 Kailua CDP (Hawaii County) 24.89
28 Schofield Barracks CDP 24.74
29 Urban Honolulu CDP 23.11
30 Mililani Town CDP 22.67
31 Kailua CDP (Honolulu County) 19.49
32 Mililani Mauka CDP 15.38
33 East Honolulu CDP 14.94
34 Hickam Housing CDP 13.57
35 Ocean Pointe CDP 13.39