Summary:
Zip code 21102, located in Manchester, Maryland, is home to a single high school, Manchester Valley High, which serves grades 9 through 12 with an enrollment of 1,339 students as part of the highly-rated Carroll County Public Schools district.
Manchester Valley High presents a fascinating picture of contrasts. The school has achieved a remarkable academic turnaround, jumping from a 1-star rating in 2023-2024 to a 4-star rating and ranking 38th out of 227 schools statewide (83rd percentile) in 2025-2026. This overall success is driven by exceptional performance in English Language Arts (ELA), where 75.9% of students are proficient—far exceeding both the district (67.5%) and state (51.7%) averages. However, the school faces a significant challenge in mathematics, with only 17.6% of students proficient in 2025-2026, which is less than half the district average of 41.9%. Geometry is a particular weak point, with just 3% proficiency in 2024-2025. The school also has a high graduation rate of 94.6% and a moderate free/reduced lunch rate of 28.38%, but chronic absenteeism stands at 23.2%, notably higher than the district average of 19.5%.
For parents, the key takeaway is that Manchester Valley High offers a strong overall education with standout ELA instruction, but math proficiency is a serious concern that requires attention. The school's dramatic improvement in state ranking is encouraging, yet the math scores remain critically low compared to its top-ranked district. The high chronic absenteeism rate, despite a high graduation rate, is another area worth investigating. Ultimately, this school excels in one core subject while struggling in another, making it important for families to consider their child's specific academic needs when evaluating this option.
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