Best High Schools in Decatur, TX

Decatur, Texas is home to a single high school, Decatur High School, which serves grades 9 through 12 within the Decatur Independent School District (ISD) and has a total enrollment of 1,163 students.

Decatur High School shows a clear split in academic performance. The school is a strong performer in Biology and English, consistently beating the state average in these subjects. However, it faces a significant challenge in Algebra I, where only 22.22% of students are proficient—nearly 32 percentage points below the state average. U.S. History also falls below the state average. This "Algebra I crisis" is the school's most defining feature and likely drags down its overall state ranking, which has fluctuated between a 2-star and 3-star rating in recent years. Despite these academic struggles, the school boasts a high graduation rate of 94.4%, though this raises questions about whether students are advancing without mastering core subjects like math.

With a student-teacher ratio of 17.7:1 and spending of $10,811 per student, the school operates in a typical context for Texas. The economically disadvantaged rate is 43.51%. The school's inconsistent state ranking—moving from the 49th percentile to the 58th and back to the 51st—suggests a lack of stable, sustained improvement. For parents, the key takeaway is that Decatur High School excels in science and English instruction but requires urgent attention and targeted intervention in mathematics, particularly Algebra I, to ensure students are fully prepared for college and career pathways.