| Index | Spencer | Wisconsin | National |
| Average Test Scores | 48% | 41% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |

| Index | Spencer | Wisconsin | National |
| Completed 8th grade | 86.8% | 89.0% | 84.3% |
| Completed high school | 84.9% | 87.8% | 83.0% |
| Completed some college | 43.2% | 59.7% | 59.4% |
| Completed associate degree | 17.8% | 38.7% | 38.5% |
| Completed bachelors | 12.7% | 28.4% | 30.3% |
| Completed masters | 4.3% | 9.6% | 11.5% |
| Completed professional degree | 1.2% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Spencer. Using the proficiency score averages, the average test scores for Spencer, WI schools is 48%. The average student to teacher ratio is 17:1. In Spencer, WI, an average of 86.8% of students have completed 8th grade and an average of 84.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Marshfield, WI | 18,840 | 51% | 6.3% |
| Greenwood, WI | 975 | 48% | 0.5% |
| Stratford, WI | 1,510 | 48% | 0.3% |
| Auburndale, WI | 738 | 43% | 10.9% |
| Neillsville, WI | 2,368 | 35% | 27.1% |
| Spencer, WI | 1,753 | 48% | 0.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Shreve, OH | 1,753 | 81% | 68.8% |
| Voorhees, NJ | 1,752 | 67% | 40.5% |
| Burns, TN | 1,752 | 56% | 16.7% |
| Guttenberg, IA | 1,754 | 70% | 45.8% |
| Lamar, AR | 1,752 | 48% | = 100 |
| Spencer, WI | 1,753 | 48% | 0.5% |