| 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 | 22,600 | 66% | 37.4% |
| Apex, NC | 43,893 | 64% | 33.2% |
| Chapel Hill, NC | 59,005 | 63% | 30.8% |
| Holly Springs, NC | 30,126 | 62% | 28.1% |
| Fuquay-Varina, NC | 22,722 | 48% | 0.8% |
| Cary, NC | 155,822 | 62% | 29.3% |
| City | Population | Avg. Test Scores | National Avg. |
| McKinney, TX | 156,821 | 59% | 22.9% |
| Springfield, MA | 153,991 | 31% | 35.2% |
| Macon-Bibb County, GA | 153,925 | 26% | 46.7% |
| Pasadena, TX | 153,286 | 41% | 15.8% |
| Alexandria, VA | 151,473 | 72% | 48.7% |
| Cary, NC | 155,822 | 62% | 29.3% |
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