allk12 · Rankings · Highest ratio · Iowa · O'Brien County

The public schools with the highest student-to-teacher ratios in O'Brien County, Iowa

7 public schools in O'Brien County, Iowa appear in this ranking of the public schools with the highest student-to-teacher ratios, ranked by the most students per teacher, a proxy for larger classes. South O'Brien Elem School - Primghar Center leads the list at 15.2:1, against a median of 13.1:1 across the ranked schools.

Sort any column, filter to a school or district, or download the full ranking as a CSV. Source data is federal NCES and state assessment reporting, 2024-25.

Schools ranked

O'Brien County, Iowa

Top Students/teacher

15.2:1

Median Students/teacher

13.1:1

HIGHEST RATIO · O'BRIEN COUNTY, IOWA

#	School	City	District	Level	Students	Ratio
1	South O'Brien Elem School - Primghar Center	Primghar, IA	South O'Brien Comm School District	Elementary	328	15.2:1
2	East Elementary School	Sheldon, IA	Sheldon Comm School District	Elementary	468	13.8:1
3	Sheldon High School	Sheldon, IA	Sheldon Comm School District	High	356	13.5:1
4	Sheldon Middle School	Sheldon, IA	Sheldon Comm School District	Middle	312	13.1:1
5	Hartley-Melvin-Sanborn Elementary School	Hartley, IA	Hartley-Melvin-Sanborn Comm School District	Elementary	261	11.9:1
6	South O'Brien Secondary School	Paullina, IA	South O'Brien Comm School District	High	241	11.7:1
7	Hartley-Melvin-Sanborn High School	Hartley, IA	Hartley-Melvin-Sanborn Comm School District	High	203	11.3:1

Page 1 of 1 · top 7 of 7 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in O'Brien County →

Highest ratio rankings at a wider scope

All Iowa Nationwide

Other rankings for O'Brien County, Iowa

Largest Most diverse Lowest ratio Highest proficiency Highest poverty Lowest poverty Lowest proficiency Most Hispanic Most Black Most White Most Asian

All ranking categories →

DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.