| Index | Portland | Maine | National |
| Average Test Scores | 47% | 45% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 16 | 345 | 79,221 |
| Total private schools | 12 | 89 | 24,874 |
| Total post-secondary schools | 6 | 45 | 7,963 |
| Index | Portland | Maine | National |
| Completed 8th grade | 89.3% | 88.3% | 84.3% |
| Completed high school | 88.7% | 86.8% | 83.0% |
| Completed some college | 73.2% | 58.8% | 59.4% |
| Completed associate degree | 54.9% | 39.0% | 38.5% |
| Completed bachelors | 46.9% | 29.3% | 30.3% |
| Completed masters | 18.3% | 10.5% | 11.5% |
| Completed professional degree | 5.9% | 3.0% | 3.3% |
| Completed doctorate | 2.1% | 1.3% | 1.3% |
There are a total of 16 public schools, 12 private schools and 6 post-secondary schools in Portland. Using the proficiency score averages, the average test scores for Portland, ME schools is 47%. The average student to teacher ratio is 12:1. In Portland, ME, an average of 89.3% of students have completed 8th grade and an average of 88.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Falmouth, ME | 1,877 | 75% | 55.9% |
| Yarmouth, ME | 5,752 | 74% | 53.5% |
| Cumberland Center, ME | 2,944 | 72% | 49.7% |
| Scarborough, ME | 5,268 | 65% | 35.1% |
| Freeport, ME | 1,879 | 60% | 25.3% |
| Portland, ME | 66,706 | 47% | 2.2% |
| City | Population | Avg. Test Scores | National Avg. |
| West Des Moines, IA | 66,724 | 74% | 53.7% |
| Redondo Beach, CA | 66,663 | 74% | 54.7% |
| Yuba City, CA | 66,660 | 37% | 23.6% |
| Oshkosh, WI | 66,753 | 40% | 15.8% |
| Kenner, LA | 66,759 | 65% | 34.8% |
| Portland, ME | 66,706 | 47% | 2.2% |
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