| Index | South Yarmouth | Massachusetts | National |
| Average Test Scores | 50% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 4 | 1,167 | 79,221 |
| Total private schools | n/a | 508 | 24,874 |
| Total post-secondary schools | n/a | 193 | 7,963 |

| Index | South Yarmouth | Massachusetts | National |
| Completed 8th grade | 90.5% | 88.3% | 84.3% |
| Completed high school | 90.0% | 87.2% | 83.0% |
| Completed some college | 62.8% | 65.0% | 59.4% |
| Completed associate degree | 37.9% | 49.0% | 38.5% |
| Completed bachelors | 28.2% | 41.2% | 30.3% |
| Completed masters | 11.6% | 18.2% | 11.5% |
| Completed professional degree | 1.7% | 5.4% | 3.3% |
| Completed doctorate | 0.7% | 2.6% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in South Yarmouth. Using the proficiency score averages, the average test scores for South Yarmouth, MA schools is 50%. The average student to teacher ratio is 13:1. In South Yarmouth, MA, an average of 90.5% of students have completed 8th grade and an average of 90.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| North Eastham, MA | 1,811 | 76% | 57.3% |
| Orleans, MA | 1,576 | 65% | 35.4% |
| Brewster, MA | 1,374 | 62% | 29.2% |
| East Sandwich, MA | 3,760 | 60% | 25.0% |
| Harwich Center, MA | 1,431 | 55% | 13.5% |
| South Yarmouth, MA | 10,841 | 50% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Mount Sinai, NY | 10,841 | 71% | 48.3% |
| Cadillac, MI | 10,841 | 47% | 2.3% |
| Worth, IL | 10,840 | 31% | 34.7% |
| Sweetwater, TX | 10,838 | 37% | 23.8% |
| Jessup, MD | 10,837 | 36% | 25.3% |
| South Yarmouth, MA | 10,841 | 50% | 3.1% |