BuildingCensus
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Mann Elementary

K-12 School in St. Louis, MO · 4047 JUNIATA ST

At a glance

Mann Elementary is a 61,983-square-foot K-12 school at 4047 JUNIATA ST in St. Louis, Missouri. In its 2021 St. Louis benchmarking disclosure it reported a site energy-use intensity of 62.8 kBtu/ft².

ENERGY STAR score
—
not reported · 2021
Site EUI
62.8
kBtu/ft²
GHG emissions
—
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
61,983
sq ft
Year built
—
vintage

Building Energy Awareness Ordinance 70474 / BEPS 71132 · reporting year 2021

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI62.8 kBtu/ft²
Source EUI—
GHG emissions—
GHG intensity—
Gross floor area61,983 sq ft
Source recordst_louis:M-001004:2021

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2021latest—62.8 kBtu/ft²—
2020—46.5 kBtu/ft²—
2018—74.7 kBtu/ft²—
2017—75.6 kBtu/ft²—

Compliance context

Building Energy Awareness Ordinance 70474 / BEPS 71132

St. Louis's Building Energy Performance Standard (Ordinance 71132) requires buildings of 50,000 sq ft or more to meet energy-use targets, with standards set on four-year cycles.

Program details →

Ownership

Board of Education - City of St. Louis

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
4047 JUNIATA ST
State
Missouri

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in St. Louis · biggest emitters

How does Mann Elementary compare with other K-12 school buildings in St. Louis?

The latest disclosures cover 77 K-12 school buildings in St. Louis, out of 639 buildings citywide. Its site EUI of 62.8 kBtu/ft² is roughly in line with the average of 67.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 61,983 sq ft, it is about 38% below the average floor area of 99,435 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².

How has Mann Elementary's energy performance changed over time?

BuildingCensus holds 4 St. Louis disclosures for Mann Elementary, covering report years 2017, 2018, 2020, 2021. Site EUI moved from 75.6 kBtu/ft² (2017) to 62.8 kBtu/ft² (2021), a 17% decrease.

What does a site EUI of 62.8 kBtu/ft² mean?

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Mann Elementary's 62.8 kBtu/ft² across 61,983 sq ft works out to about 3.9 billion Btu (1,141 MWh-equivalent) in 2021.

Which law requires Mann Elementary to report its energy use?

Mann Elementary reports under the Building Energy Awareness Ordinance 70474 / BEPS 71132, the legal basis of St. Louis's Building Energy Awareness Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2021 disclosure (source record st_louis:M-001004:2021). St. Louis's Building Energy Performance Standard (Ordinance 71132) requires buildings of 50,000 sq ft or more to meet energy-use targets, with standards set on four-year cycles.

More K-12 school buildings in St. Louis

Frequently asked questions

What is Mann Elementary's energy grade?

Mann Elementary did not report an ENERGY STAR score in its 2021 disclosure, but its site energy-use intensity was 62.8 kBtu/ft².

How much energy does Mann Elementary use?

Its 2021 site energy-use intensity was 62.8 kBtu/ft² across 61,983 sq ft.

What are Mann Elementary's carbon emissions?

No greenhouse-gas emissions figure was reported for 2021.

Where is Mann Elementary?

Mann Elementary is at 4047 JUNIATA ST, in St. Louis, Missouri.

How big is Mann Elementary and when was it built?

Mann Elementary has 61,983 sq ft of gross floor area, as reported in its 2021 disclosure. It is classed as K-12 school.

Is Mann Elementary covered by the Building Energy Awareness Ordinance 70474 / BEPS 71132?

Yes — it appears in the 2021 Building Energy Awareness Benchmarking disclosure, which lists the buildings reporting under the Building Energy Awareness Ordinance 70474 / BEPS 71132.

Working with St. Louis building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

About this data

Source: Building Energy Awareness Benchmarking (Building Energy Awareness Ordinance 70474 / BEPS 71132), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “Mann Elementary, St. Louis, Missouri — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/st-louis/mann-elementary-5b4f66a9 (data as of July 9, 2026).