Student-Teacher Ratio Rechner
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Student-Teacher Ratio
18.0
Student-Teacher Ratio vs Total Students Enrolled
Formel
Understanding Student-Teacher Ratio
The student-teacher ratio divides total enrollment by the number of full-time equivalent (FTE) teachers.
Formula
Ratio = Total Students / FTE Teachers
Benchmarks
Lower ratios generally correlate with better student outcomes, especially in early grades and for at-risk populations.
Lösungsbeispiel
A school has 450 students and 25 FTE teachers.
- 01Ratio: 450 / 25 = 18.0:1
- 02For 15:1 ratio: ceil(450 / 15) = 30 teachers needed
- 03Teacher gap: 25 - 30 = -5 (shortage of 5)
Häufig Gestellte Fragen
Is student-teacher ratio the same as class size?
Not exactly. Ratio counts all teachers (including specialists and support), while class size is the actual number in a classroom.
What ratio do private schools typically have?
Private schools average about 12:1, compared to the public school average of 16:1.
How does the ratio affect learning?
Research shows significant benefits below 20:1, especially for younger students. The Tennessee STAR study found lasting benefits at 13-17 students per class.