# All Day Montessori

*Machine-readable school profile — served at https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/llm*

Full profile (human-readable): https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago

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## Core identification
- **NCES School ID**: `PSS_A9701372`
- **School name**: All Day Montessori
- **Location**: Chicago, IL 60643
- **Address**: 1819 W 99Th St
- **District**: Nonsectarian
- **Sector**: Private
- **School type**: Regular
- **School level**: Primary
- **Grade range**: KG–KG
- **Coordinates**: 41.71364, -87.66814
- **Phone**: 773-239-8248

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

## Neighbourhood (ACS 2019-2023)
- **Median household income**: $121,080
- **Poverty rate**: 2.6%
- **Bachelor's degree or higher**: 50.9%
- **Unemployment**: 7.6%
- **Median gross rent**: $995
- **Foreign-born residents**: 3.1%
- **Single-parent households**: 6.6%

## Environmental context
- **Nearest Superfund (NPL)**: 5.6 miles (LAKE CALUMET CLUSTER)
- **Toxic Release Inventory sites within 1 mile**: 0
- **TRI sites within 5 miles**: 73
- **Nearest brownfield**: 0.85 miles (9200 S VANDERPOEL)

### Water safety
- **Public water system**: CHICAGO
- **SDWA health violations (10 yr)**: 0
- **Acute violations (10 yr)**: 0
- **Most recent violation**: 2025-07-02

### Air quality
- **PM2.5 annual average**: 7.10667 μg/m³ (EPA std: 9)
- **Nearest monitor**: 3.5 miles

## Related data feeds
- **Profile (human)**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago
- **Performance**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/performance
- **Finance**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/finance
- **Demographics**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/demographics
- **Inclusion**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/inclusion
- **Context (neighbourhood)**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/context
- **Attendance**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/attendance
- **Discipline**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/discipline
- **Outcomes**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/outcomes
- **Workforce**: https://us.il.whatschool.ai/en/il/school/all-day-montessori-chicago/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*