| Index | Gladstone | Illinois | National |
| Average Test Scores | n/a | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Gladstone | Illinois | National |
| Completed 8th grade | 72.7% | 86.2% | 84.3% |
| Completed high school | 71.0% | 84.7% | 83.0% |
| Completed some college | 39.2% | 61.8% | 59.4% |
| Completed associate degree | 18.8% | 40.7% | 38.5% |
| Completed bachelors | 9.1% | 32.9% | 30.3% |
| Completed masters | 0.0% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Gladstone. Using the proficiency score averages, the average test scores for Gladstone, IL schools is n/a. The average student to teacher ratio is n/a. In Gladstone, IL, an average of 72.7% of students have completed 8th grade and an average of 71.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mediapolis, IA | 2,118 | 80% | 65.6% |
| West Burlington, IA | 2,909 | 74% | 54.2% |
| Burlington, IA | 24,858 | 52% | 7.4% |
| Biggsville, IL | 438 | 20% | 58.9% |
| Stronghurst, IL | 1,066 | 13% | 74.0% |
| Gladstone, IL | 145 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Orrville, AL | 145 | 23% | 51.6% |
| Bieber, CA | 145 | 30% | 37.5% |
| Port Lions, AK | 145 | 50% | 4.2% |
| Chinese Camp, CA | 146 | 60% | 25.0% |
| Downsville, LA | 146 | 69% | 43.8% |
| Gladstone, IL | 145 | n/a |
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