Best High Schools in Zip Code 91321

This analysis covers two public high schools serving grades 7-12 in zip code 91321 (Newhall/Santa Clarita, CA), both part of the highly-rated William S. Hart Union High district.

William S. Hart High is the larger, traditional comprehensive high school, consistently earning high ratings with a 97.9% graduation rate and strong performance in English and science, though math scores are an area for improvement. The smaller Learning Post Academy (Alternative) offers a different model, achieving a perfect 100% graduation rate and zero dropouts despite lower standardized test scores, particularly in math.

Comparing the two, William S. Hart High shows stronger overall test proficiency and lower chronic absenteeism (10.6%), while Learning Post Academy provides more individualized attention with a lower student-teacher ratio and excels at keeping students enrolled through graduation. Both schools outperform state averages in several areas, benefiting from being in a strong district. Parents can see two distinct, effective approaches here: a high-achieving traditional school and an alternative program laser-focused on student completion and support.