| Index | Hidalgo | 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 | Hidalgo | Illinois | National |
| Completed 8th grade | 77.5% | 86.2% | 84.3% |
| Completed high school | 76.1% | 84.7% | 83.0% |
| Completed some college | 42.3% | 61.8% | 59.4% |
| Completed associate degree | 16.9% | 40.7% | 38.5% |
| Completed bachelors | 4.2% | 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 Hidalgo. Using the proficiency score averages, the average test scores for Hidalgo, IL schools is n/a. The average student to teacher ratio is n/a. In Hidalgo, IL, an average of 77.5% of students have completed 8th grade and an average of 76.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dieterich, IL | 726 | 53% | 10.9% |
| Casey, IL | 2,655 | 39% | 19.3% |
| Newton, IL | 2,884 | 33% | 30.6% |
| Toledo, IL | 1,163 | 28% | 42.4% |
| Oblong, IL | 1,520 | 26% | 45.3% |
| Hidalgo, IL | 100 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Dupuyer, MT | 100 | 50% | 4.2% |
| Bickleton, WA | 100 | 65% | 34.4% |
| Rosalia, KS | 100 | 32% | 32.6% |
| Melstone, MT | 100 | 47% | 2.8% |
| Downieville, CA | 99 | 50% | 4.2% |
| Hidalgo, IL | 100 | n/a |
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