Summary:
This analysis examines three elementary schools (PK-5) in zip code 76048, all part of the Granbury Independent School District (Isd), which holds a 3-star rating and ranks in the 60th percentile among Texas districts.
John And Lynn Brawner Elementary stands out as the most stable and improving school in the area, showing a consistent upward trend in its state ranking over the last three years, now at the 69th percentile. It is the only school outperforming the district average in 3rd Grade Reading (62.14% vs. 51.57%) and 3rd Grade Math (46.83% vs. 45.26%) in the most recent data. In contrast, Mambrino School experienced a dramatic decline, dropping from a 4-star rating (72nd percentile) to a 2-star rating (43rd percentile) in a single year, despite having the lowest percentage of economically disadvantaged students. Nettie Baccus Elementary has the highest spending per student ($10,322) but the lowest academic performance, consistently ranking in the 2-star range, though it showed a relative strength in 5th Grade Science (35.35% vs. 29.57% state average).
Key metrics reveal that socioeconomic factors strongly correlate with performance, with Mambrino historically leading due to its lower poverty rate. However, spending does not directly predict outcomes, as Nettie Baccus spends the most yet struggles academically. All three schools outperformed the state average in 5th Grade Science, indicating a district-wide strength. For families, Brawner Elementary currently offers the most consistent and improving academic environment, while Mambrino’s sudden decline warrants further investigation into potential leadership or demographic changes.
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