SCHOOLIO: Schools

Ellis (W.T.) High (Cont.) (Data source)

Last steps

Compute the average

Sum	Average
0.0	NaN

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average:

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average:

For the lines, you have the data necessary to plot the chart.

Very last step

The percent of students getting a Free or Reduced Price Meal comes from the following sources:


Percent
Data source

Marysville Joint Unified school district | County of Yuba

THIS chart shows what the school system "wants"

PLUS a "special" or "outside" cause of variation: wealth/poverty.

NOT what teachers want.

NOT what principals want.

NOT what parents want.

More about this chart.

See also: "Good" schools?

-- no performance data available --

Continuation High Schools schools in Marysville Joint Unified (1)

South Lindhurst Continuation High