| Index | Santa Margarita | California | National |
| Average Test Scores | 52% | 43% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Santa Margarita | California | National |
| Completed 8th grade | 93.3% | 81.1% | 84.3% |
| Completed high school | 93.3% | 79.8% | 83.0% |
| Completed some college | 64.4% | 61.5% | 59.4% |
| Completed associate degree | 39.0% | 39.8% | 38.5% |
| Completed bachelors | 29.5% | 32.0% | 30.3% |
| Completed masters | 9.7% | 11.9% | 11.5% |
| Completed professional degree | 0.0% | 3.9% | 3.3% |
| Completed doctorate | 0.0% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Santa Margarita. Using the proficiency score averages, the average test scores for Santa Margarita, CA schools is 52%. The average student to teacher ratio is n/a. In Santa Margarita, CA, an average of 93.3% of students have completed 8th grade and an average of 93.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Los Osos, CA | 16,174 | 61% | 27.4% |
| Morro Bay, CA | 10,592 | 57% | 18.8% |
| San Luis Obispo, CA | 47,402 | 56% | 17.3% |
| Creston, CA | 31 | 50% | 4.2% |
| Templeton, CA | 7,965 | 49% | 2.1% |
| Santa Margarita, CA | 1,025 | 52% | 8.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Montgomery, IN | 1,025 | 76% | 58.3% |
| Guernsey, WY | 1,025 | 48% | 0.3% |
| Winthrop, IA | 1,025 | 62% | 29.5% |
| Dagsboro, DE | 1,026 | 45% | 7.3% |
| Baconton, GA | 1,024 | 32% | 33.9% |
| Santa Margarita, CA | 1,025 | 52% | 8.9% |
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