Johnson Middle (Data source)
Source data for Johnson 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 | 1552654 | 2485 | - | 2552 | = | -67 | * | (201 | / | 702) | = | -19.18376066 | ||
| 7 | 1552656 | 2531 | - | 2567 | = | -36 | * | (253 | / | 702) | = | -12.97435896 | ||
| 8 | 1552657 | 2566 | - | 2586 | = | -20 | * | (248 | / | 702) | = | -7.06552706 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Johnson Middle | -39 | ||||||||||||
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 | 48657 | 2518 | - | 2552 | = | -34 | * | (221 | / | 718) | = | -10.46518103 | ||
| 7 | 48659 | 2530 | - | 2567 | = | -37 | * | (240 | / | 718) | = | -12.36768801 | ||
| 8 | 48661 | 2566 | - | 2586 | = | -20 | * | (257 | / | 718) | = | -7.15877436 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Johnson Middle | -30 | ||||||||||||
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 | 49976 | 2524 | - | 2552 | = | -28 | * | (214 | / | 736) | = | -8.14130433 | ||
| 7 | 49979 | 2560 | - | 2567 | = | -7 | * | (281 | / | 736) | = | -2.67255435 | ||
| 8 | 49981 | 2575 | - | 2586 | = | -11 | * | (241 | / | 736) | = | -3.60190217 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Johnson Middle | -14 | ||||||||||||
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 | 49993 | 2486 | - | 2552 | = | -66 | * | (208 | / | 733) | = | -18.7285129 | ||
| 7 | 49995 | 2564 | - | 2567 | = | -3 | * | (258 | / | 733) | = | -1.05593451 | ||
| 8 | 49997 | 2574 | - | 2586 | = | -12 | * | (267 | / | 733) | = | -4.37107776 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Johnson Middle | -24 | ||||||||||||
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 | 50187 | 2498 | - | 2552 | = | -54 | * | (220 | / | 706) | = | -16.82719542 | ||
| 7 | 50188 | 2526 | - | 2567 | = | -41 | * | (228 | / | 706) | = | -13.24079318 | ||
| 8 | 50189 | 2589 | - | 2586 | = | 3 | * | (258 | / | 706) | = | 1.09631728 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Johnson Middle | -29 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -39 | -30 | -14 | -24 | -29 | -136.0 | -27.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -0.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -54.2
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 | 76% | 82% | 81% | 83% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Westminster school district | County of Orange
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.
Johnson Middle math proficiency
Zero+ meets standard.
62% less $meal
69% less $meal
67% less $meal
74% less $meal
75% 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 Westminster (3)
| Helen Stacey Middle | Johnson Middle | Warner Middle |