| Index | Cary | North Carolina | National |
| Average Test Scores | 62% | 43% | 48% |
| Student/Teacher ratio | 16:1 | 15:1 | 16:1 |
| Total public schools | 14 | 1,895 | 79,221 |
| Total private schools | 4 | 510 | 24,874 |
| Total post-secondary schools | 2 | 183 | 7,963 |
| Index | Cary | North Carolina | National |
| Completed 8th grade | 94.8% | 83.4% | 84.3% |
| Completed high school | 94.4% | 81.9% | 83.0% |
| Completed some college | 84.4% | 59.9% | 59.4% |
| Completed associate degree | 71.7% | 38.1% | 38.5% |
| Completed bachelors | 64.2% | 29.0% | 30.3% |
| Completed masters | 27.3% | 10.2% | 11.5% |
| Completed professional degree | 8.1% | 2.9% | 3.3% |
| Completed doctorate | 4.9% | 1.3% | 1.3% |
There are a total of 14 public schools, 4 private schools and 2 post-secondary schools in Cary. Using the proficiency score averages, the average test scores for Cary, NC schools is 62%. The average student to teacher ratio is 16:1. In Cary, NC, an average of 94.8% of students have completed 8th grade and an average of 94.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Morrisville, NC | 27,582 | 66% | 37.8% |
| Apex, NC | 55,220 | 65% | 35.0% |
| Chapel Hill, NC | 61,912 | 63% | 31.1% |
| Holly Springs, NC | 36,595 | 62% | 28.5% |
| Fuquay-Varina, NC | 29,110 | 48% | 0.5% |
| Cary, NC | 169,177 | 62% | 28.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Corona, CA | 168,112 | 48% | 0.4% |
| Eugene, OR | 170,457 | 49% | 1.3% |
| Springfield, MO | 167,601 | 40% | 17.0% |
| Salem, OR | 171,806 | 42% | 12.9% |
| Pembroke Pines, FL | 171,979 | 69% | 43.9% |
| Cary, NC | 169,177 | 62% | 28.6% |
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