| Index | Coupeville | Washington | National |
| Average Test Scores | 63% | 54% | 48% |
| Student/Teacher ratio | 26:1 | 20:1 | 16:1 |
| Total public schools | 4 | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Coupeville | Washington | National |
| Completed 8th grade | 91.5% | 87.5% | 84.3% |
| Completed high school | 91.2% | 86.6% | 83.0% |
| Completed some college | 73.3% | 67.7% | 59.4% |
| Completed associate degree | 49.2% | 43.3% | 38.5% |
| Completed bachelors | 37.8% | 33.6% | 30.3% |
| Completed masters | 20.7% | 12.3% | 11.5% |
| Completed professional degree | 7.7% | 3.6% | 3.3% |
| Completed doctorate | 1.8% | 1.5% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Coupeville. Using the proficiency score averages, the average test scores for Coupeville, WA schools is 63%. The average student to teacher ratio is 26:1. In Coupeville, WA, an average of 91.5% of students have completed 8th grade and an average of 91.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Camano, WA | 17,073 | 61% | 26.6% |
| Oak Harbor, WA | 23,358 | 57% | 17.9% |
| Langley, WA | 1,201 | 56% | 17.2% |
| Port Townsend, WA | 9,710 | 52% | 7.3% |
| La Conner, WA | 974 | 44% | 9.0% |
| Coupeville, WA | 1,850 | 63% | 30.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Bridgton, ME | 1,850 | 45% | 7.3% |
| Prague, OK | 1,851 | 43% | 11.1% |
| Parkersburg, IA | 1,849 | 75% | 55.2% |
| Ridgeville, SC | 1,849 | 45% | 7.3% |
| Roberts, WI | 1,849 | 56% | 15.6% |
| Coupeville, WA | 1,850 | 63% | 30.2% |
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