| Index | Portal | Georgia | National |
| Average Test Scores | 43% | 42% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,164 | 79,221 |
| Total private schools | n/a | 515 | 24,874 |
| Total post-secondary schools | n/a | 192 | 7,963 |
| Index | Portal | Georgia | National |
| Completed 8th grade | 67.4% | 82.3% | 84.3% |
| Completed high school | 62.7% | 81.0% | 83.0% |
| Completed some college | 36.7% | 57.8% | 59.4% |
| Completed associate degree | 18.1% | 36.8% | 38.5% |
| Completed bachelors | 13.8% | 29.4% | 30.3% |
| Completed masters | 5.2% | 11.1% | 11.5% |
| Completed professional degree | 0.5% | 3.2% | 3.3% |
| Completed doctorate | 0.5% | 1.3% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Portal. Using the proficiency score averages, the average test scores for Portal, GA schools is 43%. The average student to teacher ratio is n/a. In Portal, GA, an average of 67.4% of students have completed 8th grade and an average of 62.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Twin City, GA | 1,595 | 44% | 9.4% |
| Statesboro, GA | 32,115 | 38% | 20.4% |
| Metter, GA | 3,962 | 36% | 25.0% |
| Portal, GA | 605 | 43% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Augusta, IL | 605 | 30% | 38.5% |
| Maple Hill, KS | 605 | 70% | 45.8% |
| Boothville, LA | 605 | 82% | 70.8% |
| Barker, NY | 605 | 65% | 34.4% |
| Cathlamet, WA | 605 | 53% | 9.9% |
| Portal, GA | 605 | 43% | 10.4% |
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