| Index | Garwood | New Jersey | National |
| Average Test Scores | 56% | 52% | 48% |
| Student/Teacher ratio | 16:1 | 13:1 | 16:1 |
| Total public schools | 2 | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Garwood | New Jersey | National |
| Completed 8th grade | 94.3% | 87.5% | 84.3% |
| Completed high school | 92.9% | 86.3% | 83.0% |
| Completed some college | 65.0% | 60.7% | 59.4% |
| Completed associate degree | 47.3% | 43.9% | 38.5% |
| Completed bachelors | 39.6% | 37.5% | 30.3% |
| Completed masters | 14.1% | 14.4% | 11.5% |
| Completed professional degree | 3.1% | 4.0% | 3.3% |
| Completed doctorate | 0.9% | 1.5% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Garwood. Using the proficiency score averages, the average test scores for Garwood, NJ schools is 56%. The average student to teacher ratio is 16:1. In Garwood, NJ, an average of 94.3% of students have completed 8th grade and an average of 92.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Teterboro, NJ | 110 | 95% | 96.9% |
| Essex Fells, NJ | 2,037 | 85% | 76.0% |
| Short Hills, NJ | 13,700 | 83% | 73.8% |
| Summit, NJ | 21,913 | 81% | 69.3% |
| New Providence, NJ | 13,382 | 80% | 66.4% |
| Garwood, NJ | 4,341 | 56% | 16.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Elberton, GA | 4,342 | 29% | 40.3% |
| Camanche, IA | 4,342 | 65% | 35.1% |
| South Haven, MI | 4,340 | 41% | 14.4% |
| Walton, KY | 4,343 | 56% | 16.1% |
| Berryville, VA | 4,338 | 77% | 61.1% |
| Garwood, NJ | 4,341 | 56% | 16.7% |
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