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The differences between assistant principals and principal investigators can be seen in a few details. Each job has different responsibilities and duties. It typically takes 2-4 years to become both an assistant principal and a principal investigator. Additionally, a principal investigator has an average salary of $84,635, which is higher than the $73,607 average annual salary of an assistant principal.
The top three skills for an assistant principal include classroom management, curriculum development and professional development. The most important skills for a principal investigator are patients, data collection, and project management.
| Assistant Principal | Principal Investigator | |
| Yearly salary | $73,607 | $84,635 |
| Hourly rate | $35.39 | $40.69 |
| Growth rate | 5% | 5% |
| Number of jobs | 42,186 | 44,475 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 46% | Bachelor's Degree, 53% |
| Average age | 47 | 47 |
| Years of experience | 4 | 4 |
An assistant principal is responsible for carrying out administrative support tasks in a school or similar establishment. Most of the duties involve producing reports and evaluations, attending meetings, overseeing daily school operations, monitoring classes and faculty performances, implementing school policies and regulations, and coordinating with the principal, school board, and other members of the institution. Furthermore, an assistant principal participates in devising plans and strategies to improve the school curriculum and organize various activities that will help students develop their skills and potential.
A Principal Investigator is the primary person who is responsible for designing, conducting, and reporting a research project. They report to a designated official such as the department head or division chief.
Assistant principals and principal investigators have different pay scales, as shown below.
| Assistant Principal | Principal Investigator | |
| Average salary | $73,607 | $84,635 |
| Salary range | Between $57,000 And $94,000 | Between $59,000 And $120,000 |
| Highest paying City | Redwood City, CA | San Francisco, CA |
| Highest paying state | Oregon | California |
| Best paying company | Pace University | Incyte |
| Best paying industry | Government | Technology |
There are a few differences between an assistant principal and a principal investigator in terms of educational background:
| Assistant Principal | Principal Investigator | |
| Most common degree | Bachelor's Degree, 46% | Bachelor's Degree, 53% |
| Most common major | Educational Leadership | Psychology |
| Most common college | University of Pennsylvania | University of Michigan - Ann Arbor |
Here are the differences between assistant principals' and principal investigators' demographics:
| Assistant Principal | Principal Investigator | |
| Average age | 47 | 47 |
| Gender ratio | Male, 47.4% Female, 52.6% | Male, 52.2% Female, 47.8% |
| Race ratio | Black or African American, 13.2% Unknown, 4.0% Hispanic or Latino, 13.2% Asian, 4.2% White, 64.7% American Indian and Alaska Native, 0.7% | Black or African American, 10.3% Unknown, 4.0% Hispanic or Latino, 14.0% Asian, 4.3% White, 66.7% American Indian and Alaska Native, 0.7% |
| LGBT Percentage | 16% | 16% |