The Praxis General Science: Content Knowledge (5435) exam is a test required by many states for credential candidates planning to teach science at a high school level. It is a single, computer-delivered test that includes questions from five content domains.
The content categories are Scientific Methodology, Techniques, and History; Physical Science; Life Science; Earth and Space Science; and Science, Technology, and Society.
The test consists of selected-response questions only. Examinees will not need to use calculators. The periodic table of the elements is available as a Help screen, along with a table of information that presents various physical constants and several conversion factors among SI units.

2023 Praxis General Science Testing Costs*
Below is an overview of the 2023 Praxis General Science (5435) testing fees for computer-based testing.
Service |
Fees |
Registration |
$120 test registration fee |
Change to test center or date |
Additional $40 fee |
Phone Registration |
Additional $35 fee |
Additional score reports |
$50 per report |

2023 Praxis General Science Test Dates*
Computer-based testing for the Praxis General Science (5435) exam is available by appointment. Alternatively, online-proctored testing is offered remotely.
Praxis General Science Test Dates |
Results Release Dates |
5/1/23 - 5/27/23 |
6/9/23 |
6/5/23 - 6/24/23 |
7/7/23 |
*This information is subject to change. All test-takers should visit the official Praxis website at https://www.ets.org/praxis to confirm fees, registration, and testing requirements before enrolling.