Potter Valley Junior High (Data source)
Source data for Potter Valley Junior High
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 1288932 | 0 | - | 2567 | = | * | (0 | / | 0) | = | ||||
8 | 1288935 | 0 | - | 2586 | = | * | (0 | / | 0) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Potter Valley Junior High |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 40370 | 2431 | - | 2567 | = | -136 | * | (14 | / | 30) | = | -63.46666658 | ||
8 | 40373 | 2434 | - | 2586 | = | -152 | * | (16 | / | 30) | = | -81.06666662 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Potter Valley Junior High | -145 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 41382 | 2442 | - | 2567 | = | -125 | * | (16 | / | 30) | = | -66.66666663 | ||
8 | 41384 | 2438 | - | 2586 | = | -148 | * | (14 | / | 30) | = | -69.06666657 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Potter Valley Junior High | -136 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 41411 | 2482 | - | 2567 | = | -85 | * | (18 | / | 32) | = | -47.8125 | ||
8 | 41412 | 2449 | - | 2586 | = | -137 | * | (14 | / | 32) | = | -59.9375 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Potter Valley Junior High | -108 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
7 | 41553 | 2471 | - | 2567 | = | -96 | * | (17 | / | 37) | = | -44.10810806 | ||
8 | 41554 | 2494 | - | 2586 | = | -92 | * | (20 | / | 37) | = | -49.72972968 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Potter Valley Junior High | -94 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-145 | -136 | -108 | -94 | -483.0 | -96.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -189.75
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:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 76% | 71% | 80% | 76% | 65% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Potter Valley Community Unified school district County of Mendocino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Potter Valley Junior High math proficiency
Zero+ meets standard.
76% less $meal
54% less $meal
60% less $meal
70% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Junior High Schools (Public) schools in Potter Valley Community Unified (1)
Potter Valley Junior High |