| Index | Caln | Pennsylvania | National |
| Average Test Scores | n/a | 55% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Caln | Pennsylvania | National |
| Completed 8th grade | 84.1% | 86.9% | 84.3% |
| Completed high school | 84.1% | 85.6% | 83.0% |
| Completed some college | 64.7% | 53.6% | 59.4% |
| Completed associate degree | 45.4% | 37.4% | 38.5% |
| Completed bachelors | 33.3% | 29.3% | 30.3% |
| Completed masters | 15.1% | 11.5% | 11.5% |
| Completed professional degree | 0.0% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Caln. Using the proficiency score averages, the average test scores for Caln, PA schools is n/a. The average student to teacher ratio is n/a. In Caln, PA, an average of 84.1% of students have completed 8th grade and an average of 84.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Malvern, PA | 3,445 | 79% | 64.2% |
| Downingtown, PA | 8,012 | 79% | 63.9% |
| Royersford, PA | 4,760 | 76% | 57.4% |
| Kennett Square, PA | 6,182 | 75% | 57.1% |
| Spring City, PA | 3,307 | 75% | 55.2% |
| Caln, PA | 1,335 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Crested Butte, CO | 1,335 | 52% | 7.8% |
| Rock Port, MO | 1,335 | 67% | 39.6% |
| Des Arc, AR | 1,334 | 66% | 37.0% |
| Yamhill, OR | 1,336 | 49% | 1.0% |
| Irvington, KY | 1,336 | 55% | 13.5% |
| Caln, PA | 1,335 | n/a |
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