Preston Elementary School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| IA | ||||||
| 2012 | Math | 3rd Grade | % met std | 100.00% | 100.00% | 79.02% |
| 2013 | Math | 3rd Grade | % met std | 96.55% | 96.55% | 77.80% |
| 2012 | Reading | 3rd Grade | % met std | 94.44% | 94.44% | 76.41% |
| 2013 | Reading | 3rd Grade | % met std | 86.21% | 86.21% | 76.30% |
| 2012 | Math | 4th Grade | % met std | 100.00% | 100.00% | 78.03% |
| 2013 | Math | 4th Grade | % met std | 86.96% | 86.96% | 79.00% |
| 2012 | Reading | 4th Grade | % met std | 80.65% | 80.65% | 74.25% |
| 2013 | Reading | 4th Grade | % met std | 78.26% | 78.26% | 75.51% |
| 2012 | Math | 5th Grade | % met std | 80.00% | 80.00% | 77.96% |
| 2013 | Math | 5th Grade | % met std | 96.97% | 96.97% | 79.10% |
| 2012 | Reading | 5th Grade | % met std | 80.00% | 80.00% | 74.27% |
| 2013 | Reading | 5th Grade | % met std | 84.85% | 84.85% | 75.72% |
| 2012 | Math | 6th Grade | % met std | 88.00% | 88.00% | 71.48% |
| 2013 | Math | 6th Grade | % met std | 74.29% | 74.29% | 73.04% |
| 2012 | Reading | 6th Grade | % met std | 80.00% | 80.00% | 64.44% |
| 2013 | Reading | 6th Grade | % met std | 57.14% | 57.14% | 65.78% |
Some data by SchoolDigger.com.
* Preston Elementary School, Test Performance was rated 4.5 out of 5 by USA.com. The ranking was calculated based on publically available historical Math and English performance data.