Winters Middle (Data source)
Source data for Winters Middle
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 |
||
6 | 3182619 | 2477 | - | 2552 | = | -75 | * | (119 | / | 352) | = | -25.35511358 | ||
7 | 3182620 | 2474 | - | 2567 | = | -93 | * | (115 | / | 352) | = | -30.38352269 | ||
8 | 3182623 | 2467 | - | 2586 | = | -119 | * | (118 | / | 352) | = | -39.89204537 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Winters Middle | -96 |
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 |
||
6 | 98088 | 2467 | - | 2552 | = | -85 | * | (116 | / | 346) | = | -28.49710978 | ||
7 | 98090 | 2503 | - | 2567 | = | -64 | * | (118 | / | 346) | = | -21.82658957 | ||
8 | 98092 | 2477 | - | 2586 | = | -109 | * | (112 | / | 346) | = | -35.28323689 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Winters Middle | -86 |
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 |
||
6 | 100954 | 2479 | - | 2552 | = | -73 | * | (122 | / | 360) | = | -24.73888882 | ||
7 | 100955 | 2476 | - | 2567 | = | -91 | * | (115 | / | 360) | = | -29.0694444 | ||
8 | 100958 | 2511 | - | 2586 | = | -75 | * | (123 | / | 360) | = | -25.62499995 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Winters Middle | -79 |
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 |
||
6 | 101106 | 2451 | - | 2552 | = | -101 | * | (107 | / | 353) | = | -30.61473085 | ||
7 | 101109 | 2495 | - | 2567 | = | -72 | * | (133 | / | 353) | = | -27.12747874 | ||
8 | 101110 | 2490 | - | 2586 | = | -96 | * | (113 | / | 353) | = | -30.73087814 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Winters Middle | -88 |
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 |
||
6 | 101755 | 2484 | - | 2552 | = | -68 | * | (98 | / | 342) | = | -19.48538008 | ||
7 | 101756 | 2476 | - | 2567 | = | -91 | * | (108 | / | 342) | = | -28.73684204 | ||
8 | 101757 | 2501 | - | 2586 | = | -85 | * | (136 | / | 342) | = | -33.80116953 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Winters Middle | -82 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-96 | -86 | -79 | -88 | -82 | -431.0 | -86.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -68.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.2
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 | 72% | 70% | 68% | 67% | 70% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Winters Joint Unified school district | County of Yolo
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.
Winters Middle math proficiency
Zero+ meets standard.

54% less $meal

57% less $meal

53% less $meal

56% less $meal

58% 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.
Intermediate/Middle Schools (Public) schools in Winters Joint Unified (1)
Winters Middle |