| Index | Fullerton | California | National | 
| Average Test Scores | 49% | 43% | 48% | 
| Student/Teacher ratio | 26:1 | 20:1 | 16:1 | 
| Total public schools | 24 | 8,308 | 79,221 | 
| Total private schools | 17 | 3,438 | 24,874 | 
| Total post-secondary schools | 6 | 1,085 | 7,963 | 

 
				
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				| Index | Fullerton | California | National | 
| Completed 8th grade | 86.3% | 81.1% | 84.3% | 
| Completed high school | 85.3% | 79.8% | 83.0% | 
| Completed some college | 68.2% | 61.5% | 59.4% | 
| Completed associate degree | 47.0% | 39.8% | 38.5% | 
| Completed bachelors | 39.5% | 32.0% | 30.3% | 
| Completed masters | 14.5% | 11.9% | 11.5% | 
| Completed professional degree | 4.8% | 3.9% | 3.3% | 
| Completed doctorate | 2.2% | 1.6% | 1.3% | 
There are a total of 24 public schools, 17 private schools and 6 post-secondary schools in Fullerton. Using the proficiency score averages, the average test scores for Fullerton, CA schools is 49%. The average student to teacher ratio is 26:1. In Fullerton, CA, an average of 86.3% of students have completed 8th grade and an average of 85.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. | 
| Los Alamitos, CA | 11,521 | 82% | 70.1% | 
| Seal Beach, CA | 24,268 | 75% | 55.2% | 
| Irvine, CA | 272,694 | 73% | 51.5% | 
| Yorba Linda, CA | 68,103 | 72% | 50.3% | 
| Cypress, CA | 49,137 | 71% | 47.5% | 
| Fullerton, CA | 141,061 | 49% | 2.4% | 
| City | Population | Avg. Test Scores | National Avg. | 
| Midland, TX | 141,194 | 37% | 22.1% | 
| Miramar, FL | 140,479 | 61% | 26.1% | 
| Dayton, OH | 140,444 | 40% | 16.1% | 
| Murfreesboro, TN | 141,704 | 46% | 3.8% | 
| Pasadena, CA | 142,017 | 36% | 24.3% | 
| Fullerton, CA | 141,061 | 49% | 2.4% |