| Index | Signal Hill | California | National |
| Average Test Scores | 52% | 43% | 48% |
| Student/Teacher ratio | 17:1 | 20:1 | 16:1 |
| Total public schools | 1 | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |
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| Index | Signal Hill | California | National |
| Completed 8th grade | 82.9% | 81.1% | 84.3% |
| Completed high school | 81.9% | 79.8% | 83.0% |
| Completed some college | 69.5% | 61.5% | 59.4% |
| Completed associate degree | 46.3% | 39.8% | 38.5% |
| Completed bachelors | 38.8% | 32.0% | 30.3% |
| Completed masters | 14.3% | 11.9% | 11.5% |
| Completed professional degree | 5.3% | 3.9% | 3.3% |
| Completed doctorate | 2.7% | 1.6% | 1.3% |
There are a total of 1 public schools, n/a private schools and 1 post-secondary schools in Signal Hill. Using the proficiency score averages, the average test scores for Signal Hill, CA schools is 52%. The average student to teacher ratio is 17:1. In Signal Hill, CA, an average of 82.9% of students have completed 8th grade and an average of 81.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Manhattan Beach, CA | 36,038 | 83% | 73.2% |
| Los Alamitos, CA | 11,940 | 82% | 70.1% |
| Hermosa Beach, CA | 19,749 | 78% | 62.5% |
| Rolling Hills Estates, CA | 8,314 | 75% | 56.9% |
| Rancho Palos Verdes, CA | 42,809 | 75% | 56.5% |
| Signal Hill, CA | 11,866 | 52% | 8.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Clayton, CA | 11,862 | 63% | 31.8% |
| Mexico, MO | 11,861 | 39% | 19.8% |
| Bacliff, TX | 11,876 | 43% | 10.4% |
| Cedarburg, WI | 11,850 | 68% | 40.8% |
| Mitchellville, MD | 11,884 | 33% | 31.9% |
| Signal Hill, CA | 11,866 | 52% | 8.3% |
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