Christian Sorensen Elementary (Data source)
Source data for Christian Sorensen Elementary
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 |
||
| 3 | 1148896 | 2394 | - | 2436 | = | -42 | * | (81 | / | 228) | = | -14.92105259 | ||
| 4 | 1148897 | 2413 | - | 2485 | = | -72 | * | (74 | / | 228) | = | -23.36842102 | ||
| 5 | 1148900 | 2459 | - | 2528 | = | -69 | * | (73 | / | 228) | = | -22.09210522 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Christian Sorensen Elementary | -60 | ||||||||||||
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 |
||
| 3 | 35745 | 2398 | - | 2436 | = | -38 | * | (87 | / | 241) | = | -13.7178423 | ||
| 4 | 35748 | 2425 | - | 2485 | = | -60 | * | (81 | / | 241) | = | -20.1659751 | ||
| 5 | 35749 | 2467 | - | 2528 | = | -61 | * | (73 | / | 241) | = | -18.4771784 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Christian Sorensen Elementary | -52 | ||||||||||||
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 |
||
| 3 | 36462 | 2430 | - | 2436 | = | -6 | * | (77 | / | 239) | = | -1.93305439 | ||
| 4 | 36463 | 2444 | - | 2485 | = | -41 | * | (84 | / | 239) | = | -14.41004184 | ||
| 5 | 36465 | 2491 | - | 2528 | = | -37 | * | (78 | / | 239) | = | -12.07531378 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Christian Sorensen Elementary | -28 | ||||||||||||
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 |
||
| 3 | 36448 | 2437 | - | 2436 | = | 1 | * | (80 | / | 236) | = | 0.33898305 | ||
| 4 | 36450 | 2450 | - | 2485 | = | -35 | * | (76 | / | 236) | = | -11.27118643 | ||
| 5 | 36452 | 2508 | - | 2528 | = | -20 | * | (80 | / | 236) | = | -6.779661 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Christian Sorensen Elementary | -18 | ||||||||||||
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 |
||
| 3 | 36610 | 2435 | - | 2436 | = | -1 | * | (83 | / | 239) | = | -0.34728033 | ||
| 4 | 36611 | 2464 | - | 2485 | = | -21 | * | (79 | / | 239) | = | -6.94142259 | ||
| 5 | 36612 | 2504 | - | 2528 | = | -24 | * | (77 | / | 239) | = | -7.73221757 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Christian Sorensen Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -60 | -52 | -28 | -18 | -15 | -173.0 | -34.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.6
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 | 84% | 84% | 83% | 82% | 80% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Whittier City Elementary 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.
Christian Sorensen Elementary math proficiency
Zero+ meets standard.
74% less $meal
74% less $meal
72% less $meal
73% less $meal
72% 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.