Berks County
Twin Valley School District
Also serves western Chester County; tax figures shown are the Berks County side.
Academic outcomes (2024-25)
% proficient or advanced, official PDE district files. Gold tick = state average.
The true tax picture
- School millage (2025-26)
- 30.099 mills
- Effective school tax (of market value)
- 1.03%/yr
- Typical total (county + muni + school)
- 1.47%/yr
- On a $450,000 purchase
- ≈ $6,634/yr
- Median asking (2 active)
- $527,250
Rates assume an assessment at Berks County's current Common Level Ratio (34.37%). PA does not reassess on sale. Exact math for any price: the calculator.
Tax bill by municipality
| Municipality | Muni millage | Total millage | Effective rate | Tax on $450,000 |
|---|---|---|---|---|
| Robeson Township | 3.25 mills | 42.36 mills | 1.46% | ≈ $6,552/yr |
| Caernarvon Township | 3.7817 mills | 42.89 mills | 1.47% | ≈ $6,634/yr |
| New Morgan Borough | 18.6 mills | 57.71 mills | 1.98% | ≈ $8,926/yr |
Common questions
Is Twin Valley a good school district?
Twin Valley scores 64.9 of 100 on the NookLocal Academic Index — #28 of 62 districts serving Bucks, Montgomery, Lehigh, and Berks counties. Components (official 2025 PDE data): PSSA proficiency 54% (state ~45%), Keystone proficiency 62%, graduation rate 93.3% (state 89.1%). The index measures outcomes, not school effectiveness in isolation.
What are property taxes in Twin Valley School District?
The district levies 30.099 mills (2025-26) on Berks County's assessment base — an effective school tax of about 1.03% of market value at the current Common Level Ratio. With county and typical municipal millage, the total runs about 1.47% — roughly $6,634 per year on a $450,000 purchase. Exact bills vary by municipality (1.46%–1.98% across 3) and by the home's actual assessment.
Twin Valley vs. Oley Valley: how do they compare?
Academically: Twin Valley 64.9 vs. Oley Valley 63.7 on the Academic Index. On taxes: 1.47% vs. 1.48% of home value per year — about $6,634 vs. $6,677 on a $450,000 purchase. Full comparison on the school district value matrix.
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Track Twin Valley rates and inventory
New school budgets and the new Common Level Ratio land July 1 — every district's true rate moves. We send the re-rank, plus weekly new listings and price cuts.
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Academic data: PA Department of Education district-level files (2024-25). Tax data: county assessment offices and STEB. Estimates only — verify with the district and county before transacting. Full methodology on the value matrix.