Moreover, it can loosen the load on teachers. For example, instead of teachers having to repeatedly teach content, they can instead just tell them to watch the video on Khan Academy and that if they have any questions, then they can just walk up and ask. Nevertheless, they can utilize Khan Academy as homework/practice and a way to have plenty of practice problems and that can be done while the smart ones can move on and the stragglers can be given extra help. Consequently, these allow the teacher to have extra time to grade tests, help stragglers, and spend more time with family. Lastly, there are multiple studies that show Khan Academy boosts test scores. According to an in-house study where they partnered with Long Beach Unified School District, it was found that students who used Khan Academy the recommended amount of time per week scored 0.2 standard deviation units higher on tests, even accounting for socioeconomic factors and linguistic ability. Accordingly, another study, this time by SRI Education, found that Khan Academy use had a significant correlation with higher test