Jellick Elementary (Data source)
Source data for Jellick 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 | 1184292 | 2380 | - | 2436 | = | -56 | * | (52 | / | 233) | = | -12.49785404 | ||
| 4 | 1184293 | 2458 | - | 2485 | = | -27 | * | (56 | / | 233) | = | -6.48927037 | ||
| 5 | 1184296 | 2456 | - | 2528 | = | -72 | * | (55 | / | 233) | = | -16.99570814 | ||
| 6 | 1184297 | 2500 | - | 2552 | = | -52 | * | (70 | / | 233) | = | -15.62231757 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jellick Elementary | -52 | ||||||||||||
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 | 36861 | 2433 | - | 2436 | = | -3 | * | (44 | / | 200) | = | -0.66 | ||
| 4 | 36864 | 2427 | - | 2485 | = | -58 | * | (43 | / | 200) | = | -12.47 | ||
| 5 | 36865 | 2477 | - | 2528 | = | -51 | * | (58 | / | 200) | = | -14.79 | ||
| 6 | 36867 | 2491 | - | 2552 | = | -61 | * | (55 | / | 200) | = | -16.775 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jellick Elementary | -45 | ||||||||||||
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 | 37640 | 2436 | - | 2436 | = | 0 | * | (51 | / | 197) | = | 0.0 | ||
| 4 | 37642 | 2448 | - | 2485 | = | -37 | * | (44 | / | 197) | = | -8.26395936 | ||
| 5 | 37644 | 2449 | - | 2528 | = | -79 | * | (48 | / | 197) | = | -19.24873094 | ||
| 6 | 37646 | 2513 | - | 2552 | = | -39 | * | (54 | / | 197) | = | -10.69035533 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jellick Elementary | -38 | ||||||||||||
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 | 37585 | 2431 | - | 2436 | = | -5 | * | (46 | / | 200) | = | -1.15 | ||
| 4 | 37587 | 2422 | - | 2485 | = | -63 | * | (54 | / | 200) | = | -17.01 | ||
| 5 | 37589 | 2485 | - | 2528 | = | -43 | * | (49 | / | 200) | = | -10.535 | ||
| 6 | 37591 | 2470 | - | 2552 | = | -82 | * | (51 | / | 200) | = | -20.91 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jellick Elementary | -50 | ||||||||||||
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 | 37795 | 2435 | - | 2436 | = | -1 | * | (41 | / | 181) | = | -0.22651934 | ||
| 4 | 37796 | 2444 | - | 2485 | = | -41 | * | (49 | / | 181) | = | -11.09944751 | ||
| 5 | 37797 | 2465 | - | 2528 | = | -63 | * | (49 | / | 181) | = | -17.05524862 | ||
| 6 | 37798 | 2495 | - | 2552 | = | -57 | * | (42 | / | 181) | = | -13.22651929 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jellick Elementary | -42 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -52 | -45 | -38 | -50 | -42 | -227.0 | -45.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -30.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -60.4
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 | 83% | 84% | 87% | 89% | 84% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rowland 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.
Jellick Elementary math proficiency
Zero+ meets standard.
71% less $meal
74% less $meal
73% less $meal
81% less $meal
76% 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.