Middle and high school students presented their science fair projects to judges at the 74th annual Los Angeles County Science and Engineering Fair on March 11. There were 927 students presenting 694 projects at the 2024 fair, with participation in the fair “almost double that of last year,” wrote Eric Hartung, the science fair’s 2023-2024 president of the executive board. Students from around the Southland competed for prizes in science, technology, engineering and math.