There are a variety of synonyms for the term "pre schoolers" that can be used interchangeably in different contexts. One potential option is "toddler," which typically refers to children between the ages of one and three. Another alternative is "young children," which can encompass those in the pre-school age range as well as slightly older kids. "Preschool-aged children" is another possibility for more formal or specific situations. "Early learners" and "little ones" are also commonly used phrases to describe this age group. Ultimately, the choice of synonym depends on the intended audience and purpose of the communication.