There are multiple meanings for the acronym NES, so it depends on the context. Here are the different meanings based on the search results:

• National Evaluation Series: The National Evaluation Series, or NES, is a group of teacher certification examinations.
• NES High Schools: NES High Schools is a group of 69 institutions providing quality education to students. It is a recognized English medium co-education school that prepares students for S.S.C. Examination conducted by the Maharashtra State Board of Secondary.
• Northville Elementary School (NES): Northville Elementary School (NES) is a school that promotes social and academic problem-solving skills and is a nurturing community that supports all students.
• New Education System (NES): The New Education System (NES) is a program in the Houston Independent School District (HISD) that provides additional resources and support to priority schools to improve outcomes for their students. The program offers differentiated compensation, eliminates non-instructional tasks, engages community consultants, and expands the reach of the best and brightest teachers.

Therefore, NES can refer to different things depending on the context, such as a group of teacher certification examinations, a group of high schools, an elementary school, or a program in a school district.