| Index | Diamond | 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 | Diamond | Illinois | National |
| Completed 8th grade | 81.5% | 86.2% | 84.3% |
| Completed high school | 79.9% | 84.7% | 83.0% |
| Completed some college | 47.8% | 61.8% | 59.4% |
| Completed associate degree | 21.6% | 40.7% | 38.5% |
| Completed bachelors | 11.0% | 32.9% | 30.3% |
| Completed masters | 5.2% | 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 Diamond. Using the proficiency score averages, the average test scores for Diamond, IL schools is n/a. The average student to teacher ratio is n/a. In Diamond, IL, an average of 81.5% of students have completed 8th grade and an average of 79.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Manhattan, IL | 8,415 | 54% | 12.5% |
| Elwood, IL | 2,603 | 51% | 5.2% |
| Coal City, IL | 5,083 | 49% | 1.3% |
| Channahon, IL | 13,561 | 48% | 0.7% |
| South Wilmington, IL | 721 | 45% | 6.3% |
| Diamond, IL | 2,845 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Refugio, TX | 2,845 | 41% | 15.3% |
| Santa Rosa, TX | 2,845 | 42% | 13.5% |
| Estill, SC | 2,844 | 37% | 22.6% |
| Marshville, NC | 2,844 | 41% | 15.1% |
| Kemmerer, WY | 2,846 | 59% | 22.6% |
| Diamond, IL | 2,845 | n/a |
Here are the best places to live in Illinois
Most Dangerous States In The US
Safest States In The US
Most Dangerous Cities In The US