The pandemic may have changed the landscape of how they learn but the purpose of education remains the same – that is for the students to be able to apply what they have learned for the greater good of the community. It is a must that teachers and learners adapt to the new normal. This research aimed to determine the challenges in the new learning modalities of elementary school teachers, district of San Felipe, Zambales SY 2020-2021. The study made use of descriptive research design with the aid of questionnaires as the main instrument in gathering the data. The respondents were the one hundred eight public elementary school teachers in district of San Felipe, Division of Zambales. Descriptive statistics were used for analysis and statistical treatment of data. The findings of the study indicate that the challenges in the new learning modalities of elementary school teachers are the conduct of assessment test and obtaining learners’ level of understanding, avoidance of plagiarism and balancing of diverse need, the safety of both teachers and parents on the handling of learning materials such as disinfection and the checking of self-learning modules and reviewing the learner’s performance. A no significant difference was found between the perception of the respondents towards the challenges of the new learning modalities of elementary school teachers when grouped according to the respondents’ age, civil status, and positions. And there exist a significant were found in the difference between the perception of the respondents towards the challenges of the new learning modalities of elementary school teachers when grouped according to the respondents’ sex.