| Index | Barclay | New Jersey | National |
| Average Test Scores | 80% | 52% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |
| Index | Barclay | New Jersey | National |
| Completed 8th grade | 98.1% | 87.5% | 84.3% |
| Completed high school | 97.9% | 86.3% | 83.0% |
| Completed some college | 83.6% | 60.7% | 59.4% |
| Completed associate degree | 71.2% | 43.9% | 38.5% |
| Completed bachelors | 64.3% | 37.5% | 30.3% |
| Completed masters | 28.0% | 14.4% | 11.5% |
| Completed professional degree | 10.8% | 4.0% | 3.3% |
| Completed doctorate | 2.5% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Barclay. Using the proficiency score averages, the average test scores for Barclay, NJ schools is 80%. The average student to teacher ratio is n/a. In Barclay, NJ, an average of 98.1% of students have completed 8th grade and an average of 97.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Williamstown, NJ | 14,161 | 55% | 13.9% |
| Turnersville, NJ | 3,353 | 53% | 10.9% |
| Northfield, NJ | 8,088 | 53% | 10.9% |
| Elwood, NJ | 1,226 | 51% | 5.7% |
| Estell Manor, NJ | 1,682 | 50% | 3.1% |
| Barclay, NJ | 4,044 | 80% | 65.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Stilwell, OK | 4,044 | 22% | 54.9% |
| Whitesboro, TX | 4,043 | 55% | 14.9% |
| Hesston, KS | 4,046 | 51% | 5.2% |
| Pipestone, MN | 4,046 | 49% | 2.1% |
| South Chicago Heights, IL | 4,042 | 15% | 69.8% |
| Barclay, NJ | 4,044 | 80% | 65.6% |
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