Summary:
In zip code 75559, there is one high school, Dekalb High School, serving grades 9 through 12 in the De Kalb area, with a total enrollment of 277 students.
Dekalb High School, part of the Dekalb Independent School District (Isd), presents a mixed picture of academic performance. The school excels in science, with 78.16% of students proficient in Biology, outperforming the state average by over 7 percentage points. However, it struggles in core subjects like Algebra I and English I Reading, where proficiency rates are more than 13 percentage points below the state average. The school boasts a very low student-teacher ratio of 10.1:1 and per-student spending of $13,351, yet its overall state ranking sits at the 46th percentile (2 stars) for the 2025-2026 school year, a decline from the previous year's 56th percentile.
Despite below-average test scores in math and reading, Dekalb High School achieves an impressive 98.5% graduation rate and a very low dropout rate of 0.3%. This suggests strong student support systems, possibly including credit recovery programs, that help students graduate even if they face academic challenges. The school's ranking has been volatile in recent years, and with 61.37% of students eligible for free or reduced lunch, the school serves a majority low-income population while still maintaining high graduation outcomes.
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