| Index | Trowbridge | California | National |
| Average Test Scores | n/a | 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 | Trowbridge | California | National |
| Completed 8th grade | 87.7% | 81.1% | 84.3% |
| Completed high school | 87.7% | 79.8% | 83.0% |
| Completed some college | 77.3% | 61.5% | 59.4% |
| Completed associate degree | 19.6% | 39.8% | 38.5% |
| Completed bachelors | 3.7% | 32.0% | 30.3% |
| Completed masters | 1.2% | 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 Trowbridge. Using the proficiency score averages, the average test scores for Trowbridge, CA schools is n/a. The average student to teacher ratio is n/a. In Trowbridge, CA, an average of 87.7% of students have completed 8th grade and an average of 87.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Rocklin, CA | 67,070 | 65% | 34.6% |
| Robbins, CA | 428 | 57% | 18.8% |
| Roseville, CA | 138,860 | 56% | 17.1% |
| Plumas Lake, CA | 7,687 | 56% | 16.7% |
| Beale AFB, CA | 955 | 51% | 6.3% |
| Trowbridge, CA | 196 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Yolo, CA | 196 | 5% | 89.6% |
| Stevinson, CA | 196 | 20% | 58.3% |
| Plaza, ND | 195 | 58% | 19.8% |
| Deer Creek, MN | 195 | 50% | 4.2% |
| Caledonia, IL | 195 | 27% | 43.8% |
| Trowbridge, CA | 196 | n/a |
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