# Mary Mcdowell Friends School - Upper School

*Machine-readable school profile — served at https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/llm*

Full profile (human-readable): https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn

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## Core identification
- **NCES School ID**: `PSS_A2102665`
- **School name**: Mary Mcdowell Friends School - Upper School
- **Location**: Brooklyn, NY 11201
- **Address**: 23 Sidney Pl
- **District**: Religious: Friends/Quaker
- **Sector**: Private
- **School type**: Regular
- **School level**: High
- **Grade range**: 9–12
- **Coordinates**: 40.69219, -73.99436
- **Phone**: 718-625-3939

## Enrollment (latest)
- **Students**: N/A
- **Teachers (FTE)**: N/A

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $189,145
- **Poverty rate**: 3.1%
- **Bachelor's degree or higher**: 88.1%
- **Unemployment**: 2.1%
- **Median gross rent**: $2,934
- **Foreign-born residents**: 13.4%
- **Single-parent households**: 7.6%

## Environmental context
- **Nearest Superfund (NPL)**: 0.8 miles (GOWANUS CANAL)
- **Toxic Release Inventory sites within 1 mile**: 4
- **TRI sites within 5 miles**: 148
- **Nearest brownfield**: 0.38 miles (370 JAY STREET)

### Water safety
- **Public water system**: CORNER STONE COURT
- **SDWA health violations (10 yr)**: 3
- **Acute violations (10 yr)**: 0
- **Most recent violation**: 2025-01-01

### Air quality
- **PM2.5 annual average**: 7.65041 μg/m³ (EPA std: 9)
- **Nearest monitor**: 2.7 miles

## Related data feeds
- **Profile (human)**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn
- **Performance**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/performance
- **Finance**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/finance
- **Demographics**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/demographics
- **Inclusion**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/inclusion
- **Context (neighbourhood)**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/context
- **Attendance**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/attendance
- **Discipline**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/discipline
- **Outcomes**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/outcomes
- **Workforce**: https://us.ny.whatschool.ai/en/ny/school/mary-mcdowell-friends-school-upper-school-brooklyn/workforce

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*Source: US Dept of Education CCD, EDFacts, CRDC, F-33; US Census ACS; EPA SDWIS, TRI, NPL, AQS; state DOE portals (CA CDE, TX TEA, FL DOE, NY NYSED, IL ISBE, WA OSPI). Aggregated by WhatSchool.ai.*

*Canonical cross-domain architecture: WhatSchool.ai · Spill.org · CourseMap.org · WhatCareer.net*