Johnson Co Central High School, Test Performance
| Year | Test | Grade | Measurement | Score | School District | State Average |
| NeSA | ||||||
| 2011 | Mathematics | 11th Grade | Average Scaled Score | 117.28 | 117.28 | 94.61 |
| 2012 | Mathematics | 11th Grade | Average Scaled Score | 106.23 | 106.23 | 95.59 |
| 2013 | Mathematics | 11th Grade | Average Scaled Score | 123.08 | 123.08 | 100.24 |
| 2010 | Reading | 11th Grade | Average Scaled Score | 98.83 | 98.83 | 100.61 |
| 2011 | Reading | 11th Grade | Average Scaled Score | 109.42 | 109.42 | 101.96 |
| 2012 | Reading | 11th Grade | Average Scaled Score | 98.07 | 98.07 | 101.98 |
| 2013 | Reading | 11th Grade | Average Scaled Score | 117.16 | 117.16 | 105.71 |
| 2012 | Science | 11th Grade | Average Scaled Score | 94.90 | 94.90 | 98.81 |
| 2013 | Science | 11th Grade | Average Scaled Score | 110.89 | 110.89 | 102.88 |
| 2012 | Writing | 11th Grade | Average Scaled Score | 43.96 | 43.96 | 44.32 |
| 2013 | Writing | 11th Grade | Average Scaled Score | 45.26 | 45.26 | 44.65 |
Some data by SchoolDigger.com.
* Johnson Co Central High 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.