| Index | Newton | Iowa | National |
| Average Test Scores | 69% | 69% | 48% |
| Student/Teacher ratio | 14:1 | 13:1 | 16:1 |
| Total public schools | 8 | 1,101 | 79,221 |
| Total private schools | 1 | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Newton | Iowa | National |
| Completed 8th grade | 87.2% | 89.2% | 84.3% |
| Completed high school | 85.2% | 87.7% | 83.0% |
| Completed some college | 50.3% | 59.8% | 59.4% |
| Completed associate degree | 26.7% | 38.4% | 38.5% |
| Completed bachelors | 15.9% | 27.2% | 30.3% |
| Completed masters | 2.6% | 8.7% | 11.5% |
| Completed professional degree | 0.5% | 2.7% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of 8 public schools, 1 private schools and n/a post-secondary schools in Newton. Using the proficiency score averages, the average test scores for Newton, IA schools is 69%. The average student to teacher ratio is 14:1. In Newton, IA, an average of 87.2% of students have completed 8th grade and an average of 85.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sully, IA | 962 | 81% | 69.4% |
| Laurel, IA | 194 | 80% | 66.7% |
| Monroe, IA | 1,810 | 78% | 63.0% |
| Baxter, IA | 935 | 77% | 60.4% |
| Gilman, IA | 543 | 71% | 47.9% |
| Newton, IA | 15,160 | 69% | 43.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Seaford, NY | 15,153 | 73% | 51.3% |
| Graham, NC | 15,168 | 37% | 22.6% |
| Olivehurst, CA | 15,149 | 26% | 46.6% |
| Beech Grove, IN | 15,148 | 29% | 38.8% |
| Weston, WI | 15,139 | 45% | 7.1% |
| Newton, IA | 15,160 | 69% | 43.6% |
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