Sandburg Middle (Data source)
Source data for Sandburg 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 | 718043 | 2525 | - | 2552 | = | -27 | * | (284 | / | 868) | = | -8.83410138 | ||
| 7 | 718046 | 2575 | - | 2567 | = | 8 | * | (289 | / | 868) | = | 2.66359446 | ||
| 8 | 718047 | 2552 | - | 2586 | = | -34 | * | (295 | / | 868) | = | -11.55529953 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sandburg Middle | -18 | ||||||||||||
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 | 22631 | 2545 | - | 2552 | = | -7 | * | (284 | / | 885) | = | -2.24632768 | ||
| 7 | 22633 | 2568 | - | 2567 | = | 1 | * | (304 | / | 885) | = | 0.34350282 | ||
| 8 | 22634 | 2587 | - | 2586 | = | 1 | * | (297 | / | 885) | = | 0.33559322 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sandburg Middle | -2 | ||||||||||||
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 | 23056 | 2544 | - | 2552 | = | -8 | * | (263 | / | 849) | = | -2.47820966 | ||
| 7 | 23057 | 2579 | - | 2567 | = | 12 | * | (283 | / | 849) | = | 4.0 | ||
| 8 | 23059 | 2575 | - | 2586 | = | -11 | * | (303 | / | 849) | = | -3.92579505 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sandburg Middle | -2 | ||||||||||||
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 | 23057 | 2551 | - | 2552 | = | -1 | * | (282 | / | 845) | = | -0.33372781 | ||
| 7 | 23059 | 2560 | - | 2567 | = | -7 | * | (275 | / | 845) | = | -2.2781065 | ||
| 8 | 23060 | 2574 | - | 2586 | = | -12 | * | (288 | / | 845) | = | -4.08994082 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sandburg Middle | -7 | ||||||||||||
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 | 23234 | 2540 | - | 2552 | = | -12 | * | (259 | / | 806) | = | -3.8560794 | ||
| 7 | 23235 | 2591 | - | 2567 | = | 24 | * | (291 | / | 806) | = | 8.66501239 | ||
| 8 | 23236 | 2555 | - | 2586 | = | -31 | * | (256 | / | 806) | = | -9.84615385 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sandburg Middle | -5 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -18 | -2 | -2 | -7 | -5 | -34.0 | -6.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 11.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.8
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 | 43% | 41% | 40% | 41% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Glendora Unified school district | County of Los Angeles
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.
Sandburg Middle math proficiency
Zero+ meets standard.
31% less $meal
30% less $meal
30% less $meal
34% less $meal
34% 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 Glendora Unified (2)
| Goddard Middle | Sandburg Middle |