| Index | South River | New Jersey | National |
| Average Test Scores | 35% | 52% | 48% |
| Student/Teacher ratio | 15:1 | 13:1 | 16:1 |
| Total public schools | 3 | 1,604 | 79,221 |
| Total private schools | 2 | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |

| Index | South River | New Jersey | National |
| Completed 8th grade | 80.0% | 87.5% | 84.3% |
| Completed high school | 76.4% | 86.3% | 83.0% |
| Completed some college | 45.3% | 60.7% | 59.4% |
| Completed associate degree | 28.8% | 43.9% | 38.5% |
| Completed bachelors | 23.5% | 37.5% | 30.3% |
| Completed masters | 7.4% | 14.4% | 11.5% |
| Completed professional degree | 1.7% | 4.0% | 3.3% |
| Completed doctorate | 0.8% | 1.5% | 1.3% |
There are a total of 3 public schools, 2 private schools and n/a post-secondary schools in South River. Using the proficiency score averages, the average test scores for South River, NJ schools is 35%. The average student to teacher ratio is 15:1. In South River, NJ, an average of 80.0% of students have completed 8th grade and an average of 76.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lincroft, NJ | 6,692 | 83% | 73.4% |
| Cranbury, NJ | 2,281 | 81% | 68.8% |
| Bradley Gardens, NJ | 15,283 | 81% | 68.2% |
| Plainsboro Center, NJ | 2,817 | 77% | 60.4% |
| Yorketown, NJ | 6,961 | 77% | 60.2% |
| South River, NJ | 16,447 | 35% | 26.4% |
| City | Population | Avg. Test Scores | National Avg. |
| River Falls, WI | 16,442 | 52% | 8.0% |
| Fairburn, GA | 16,455 | 28% | 42.1% |
| Sayville, NY | 16,433 | 66% | 36.5% |
| Albemarle, NC | 16,433 | 39% | 19.2% |
| Prospect Heights, IL | 16,432 | 47% | 2.1% |
| South River, NJ | 16,447 | 35% | 26.4% |