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Public schoolElementaryGrades PK–5

Greenbrook Elem School

🇺🇸 Official data · 2025Hanover Park, Illinois 60133 · Keeneyville SD 20

31.6/ 100
Success Index (US)
Lower 50%

#1413 of 2,303 elementary schools in Illinois
#37485 of 50,301 nationally

How is this calculated?
Students
466
Enrollment
466
Source: NCES CCD
Free/reduced-price lunch
74.5%
Source: NCES CCD
Students per teacher
10.1
Source: NCES CCD

About Greenbrook Elem School

Greenbrook Elem School is a public elementary located in Hanover Park, in the Keeneyville SD 20 school district of Illinois, United States. It caters for Grades PK–5. In 2025 it enrolled 466 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 31.6 out of 100, placing it in the lower 50% of elementary schools in United States and 1413th of 2,303 ranked elementary schools in Illinois. Its strongest component is students per teacher (93th percentile), and its weakest is reading proficiency (15th percentile).

Other published figures: enrollment 466.

There are 11 schools in Hanover Park; Greenbrook Elem School ranks 6th of 10 scored schools there.

Success Index (US) breakdown

Each component is a percentile against elementary schools across United States.

  • Math proficiency (30%)26%
  • Reading proficiency (30%)28%
  • Community advantage (fewer free/reduced-price lunch) (25%)74.5%
  • Students per teacher (15%)10.1

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Greenbrook Elem School by the official sources.

Enrollment
466
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
74.5%
Share of students eligible for free or reduced-price lunch.
Students per teacher
10.1
Enrollment divided by FTE teachers; not class size.
Reading proficiency
28%
Share of tested students proficient or above (all students, all grades).
Math proficiency
26%
Share of tested students proficient or above (all students, all grades).

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Schools near Greenbrook Elem School

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public elementary schools in Illinois with a comparable Enrollment.

Frequently asked questions

Is Greenbrook Elem School a good school?

Greenbrook Elem School has a Success Index (US) of 31.6 out of 100 (Lower 50% of elementary schools in United States) and ranks #1413 of 2,303 in Illinois. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Greenbrook Elem School rank in Illinois?

Greenbrook Elem School ranks #1413 of 2,303 elementary schools in Illinois and #37485 of 50,301 nationally on the Success Index (US) (2025 data).

How many students attend Greenbrook Elem School?

Greenbrook Elem School had 466 students in 2025.

Is Greenbrook Elem School a elementary school or a high school?

Greenbrook Elem School is classified as a elementary covering Grades PK–5. It is a public school.

What other schools are near Greenbrook Elem School?

There are 10 schools within 15 km of Greenbrook Elem School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.