What does OCS stand for?

Optimum Class Size

This definition appears very rarely and is found in the following Acronym Finder categories:

Military and Government
Science, medicine, engineering, etc.

Other Resources:

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Operational Control System Operations Communications System Operator Control Station Ophthalmic Coding Specialist Optical Channel States (Lucent) Optical Character Scanner Optical Communications Supplement (IEEE) Optical Control Subsystem Optical Control System Optical Crossconnect System		Oracle Collaboration Suite Oral Corticosteroids Orange County Schools (North Carolina) Orange County Speaker (Garden Grove, CA) Orange County Supertones (band) Orbit Circularization System Orbit Control Subsystem Order Communication System Order Control System Ordinary Circular Slot

Samples in periodicals archive:

6 Kyodo The Yamagata prefectural board of education said Thursday that elementary schools in the northeastern Japan prefecture will implement an optimum class size of 21-33 students beginning next fiscal year.

Yamagata to begin small-class system for elementary schools

Research such as this can make a useful contribution to the debate as to what the optimum class size is.

How smaller classes can bring schools big rewards