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SCHOOL COMMUNITY·GREEN TECH HIGH CHARTER SCHOOL·NCES 360094505946

GREEN TECH HIGH CHARTER SCHOOL

99 SLINGERLAND ST, ALBANY, NY 12202 · (518) 694-3400 · Albany County
GRADES 06–12HIGH12-CITYCHARTERTITLE IREGULAR SCHOOL450 STUDENTS
Enrollment
450
High
STATE 668
Student : Teacher
12.7:1
36 FTE teachers
STATE 11.0:1
Free / Reduced Lunch
57%
257 students
STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
48
Grade 7
46
Grade 8
49
Grade 9
91
Grade 10
81
Grade 11
75
Grade 12
60
Student demographics
White
31%
STATE 39%
Hispanic
4510%
STATE 31%
Black
37383%
STATE 16%
Asian
41%
STATE 10%
Two+
256%
STATE 4%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
450100%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
51.5%
NY avg 58.3% . +5.3pp since 2023
Math
12.9%
NY avg 57.4% . +0.9pp since 2023
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of NY schools after controlling for student poverty
Actual proficiency
32.5%
composite math + reading, all grades
Predicted
54.0%
based on NY schools with similar FRL share
Beats by
-21.5pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
450
+94 (+26%) vs 2017
Student : Teacher
12.7:1
was 10.8:1
% White
1%
was 2%
% Hispanic
10%
was 17%
% Black
83%
was 73%
% Asian
1%
was 1%
Source: NCES Common Core of Data

About GREEN TECH HIGH CHARTER SCHOOL

Set in ALBANY, New York, GREEN TECH HIGH CHARTER SCHOOL is a modestly sized senior high, run under GREEN TECH HIGH CHARTER SCHOOL. It teaches 450 students across grades 6 through 12. By comparison, New York's public schools average about 668 students each, so GREEN TECH HIGH CHARTER SCHOOL sits 33% leaner than that benchmark.

GREEN TECH HIGH CHARTER SCHOOL sits inside GREEN TECH HIGH CHARTER SCHOOL, the local public-school operator responsible for the campus.

Demographically, GREEN TECH HIGH CHARTER SCHOOL logs that 83% of students identify as Black, making the school strongly Black-majority. Beyond that, the school shows 10% Hispanic, 6% multiracial. The wider county runs roughly 12% Black, putting the school's mix noticeably more Black than the area baseline.

In terms of school funding signals, GREEN TECH HIGH CHARTER SCHOOL lists 36 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.7:1. Statewide, the average ratio sits near 11.0:1, putting GREEN TECH HIGH CHARTER SCHOOL higher than the state norm the norm. Around 57% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. That share is noticeably above Albany County's rate of about 45%.

After controlling for student poverty, GREEN TECH HIGH CHARTER SCHOOL falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 54.0%; this one comes in at 32.5%, -21.5 points off the demographic line.

Zooming out to the county, the surrounding county (Albany County) reports that median household income runs about $85,333, 46% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 8%. In all, Albany County runs 75 public schools (combined enrollment of about 39,946 students), of which GREEN TECH HIGH CHARTER SCHOOL is one.

The closest other public school is THOMAS S O'BRIEN ACADEMY OF SCIENCE & TECHNOLOGY, roughly 0.3 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), GREEN TECH HIGH CHARTER SCHOOL ranks 5th on composite proficiency, below the local average of 34.1%.

The school occupies a city-core site. GREEN TECH HIGH CHARTER SCHOOL is a charter school, which puts it inside the public-school system but outside the standard district-managed model.

Over the past 7-year window. Over the past 7-year window, the student count increased 26%: 356 students in 2018 compared to 450 in 2025. The Black share of enrollment expanded from 73% to 83% over that span. Class-load math has rose: from 10.8:1 in 2018 to 12.7:1 in 2025.

In the discussion threads here, the page collects discussion, questions, and updates around open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.

Albany County at a glance

View full county profile
Population
317,018
Census ACS
Median income
$85,333
Household, ACS
Bachelor's+
46%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
75
39,946 students

Quick facts

School name
GREEN TECH HIGH CHARTER SCHOOL
District
GREEN TECH HIGH CHARTER SCHOOL
Address
99 SLINGERLAND ST, ALBANY, NY 12202
Phone
(518) 694-3400
County
Albany County
Level
High
Grade range
06–12
Total enrollment
450
Teachers (FTE)
36
Student–teacher ratio
12.7:1
Free/Reduced lunch
257 (57%)
Locale
12-City: Mid-size
NCES ID
360094505946
Charter school
Yes
Virtual school
No

Related schools

Other schools in ALBANY
Nearby schools

Frequently asked questions

About GREEN TECH HIGH CHARTER SCHOOL
How many students attend GREEN TECH HIGH CHARTER SCHOOL?
GREEN TECH HIGH CHARTER SCHOOL enrolls approximately 450 students in grades 06-12.
Is GREEN TECH HIGH CHARTER SCHOOL an elementary, middle, or high school?
GREEN TECH HIGH CHARTER SCHOOL is a high school covering grades 06-12.
What is the student-teacher ratio at GREEN TECH HIGH CHARTER SCHOOL?
The student-to-teacher ratio at GREEN TECH HIGH CHARTER SCHOOL is approximately 12.7:1 (36 FTE teachers).
What is the racial breakdown of students at GREEN TECH HIGH CHARTER SCHOOL?
At GREEN TECH HIGH CHARTER SCHOOL, the student body is approximately 1% White, 10% Hispanic, 83% Black, 1% Asian, 6% Two or more.
Who oversees GREEN TECH HIGH CHARTER SCHOOL?
GREEN TECH HIGH CHARTER SCHOOL is overseen by GREEN TECH HIGH CHARTER SCHOOL in Albany County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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