FUSD is an acronym that stands for "Fremont Unified School District". While there may not be direct synonyms for FUSD, there are other phrases or terms that could be used in place of it. Some options may include "Fremont schools", "Fremont education system", "Fremont public schools", or simply "Fremont school district". These alternate phrases can be used interchangeably with FUSD when discussing or referring to the schools and education system in the Fremont area. It is important to note that FUSD is a specific school district, and while similar terms can be used, they may not represent the exact same entity.