| Index | Friendly | Maryland | National |
| Average Test Scores | n/a | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 1,163 | 79,221 |
| Total private schools | n/a | 674 | 24,874 |
| Total post-secondary schools | n/a | 112 | 7,963 |
| Index | Friendly | Maryland | National |
| Completed 8th grade | 86.9% | 87.5% | 84.3% |
| Completed high school | 86.4% | 86.5% | 83.0% |
| Completed some college | 63.0% | 64.2% | 59.4% |
| Completed associate degree | 34.2% | 44.8% | 38.5% |
| Completed bachelors | 28.0% | 38.4% | 30.3% |
| Completed masters | 9.4% | 17.7% | 11.5% |
| Completed professional degree | 1.9% | 5.5% | 3.3% |
| Completed doctorate | 1.5% | 2.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Friendly. Using the proficiency score averages, the average test scores for Friendly, MD schools is n/a. The average student to teacher ratio is n/a. In Friendly, MD, an average of 86.9% of students have completed 8th grade and an average of 86.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McLean, VA | 48,566 | 95% | 97.1% |
| Rose Hill, VA | 21,846 | 85% | 76.0% |
| Lorton, VA | 20,924 | 84% | 75.0% |
| Arlington, VA | 236,434 | 83% | 72.5% |
| Springfield, VA | 32,960 | 82% | 71.2% |
| Friendly, MD | 9,984 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Alpena, MI | 9,987 | 36% | 24.6% |
| Linganore, MD | 9,988 | 69% | 43.8% |
| Kinnelon, NJ | 9,988 | 74% | 53.1% |
| Watervliet, NY | 9,976 | 43% | 10.9% |
| Flat Rock, MI | 9,974 | 40% | 16.1% |
| Friendly, MD | 9,984 | n/a |
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