Wilhelmina Henry Elementary (Data source)
Source data for Wilhelmina Henry 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 | 2444717 | 2365 | - | 2436 | = | -71 | * | (119 | / | 593) | = | -14.24789206 | ||
| 4 | 2444720 | 2409 | - | 2485 | = | -76 | * | (97 | / | 593) | = | -12.43170319 | ||
| 5 | 2444721 | 2418 | - | 2528 | = | -110 | * | (96 | / | 593) | = | -17.80775711 | ||
| 6 | 2444724 | 2448 | - | 2552 | = | -104 | * | (96 | / | 593) | = | -16.8364249 | ||
| 7 | 2444725 | 2490 | - | 2567 | = | -77 | * | (91 | / | 593) | = | -11.81618885 | ||
| 8 | 2444728 | 2469 | - | 2586 | = | -117 | * | (94 | / | 593) | = | -18.54637434 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wilhelmina Henry Elementary | -92 | ||||||||||||
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 | 74596 | 2379 | - | 2436 | = | -57 | * | (117 | / | 589) | = | -11.32258061 | ||
| 4 | 74598 | 2426 | - | 2485 | = | -59 | * | (99 | / | 589) | = | -9.91680815 | ||
| 5 | 74600 | 2444 | - | 2528 | = | -84 | * | (97 | / | 589) | = | -13.83361627 | ||
| 6 | 74601 | 2462 | - | 2552 | = | -90 | * | (92 | / | 589) | = | -14.05772487 | ||
| 7 | 74604 | 2454 | - | 2567 | = | -113 | * | (94 | / | 589) | = | -18.03395578 | ||
| 8 | 74605 | 2512 | - | 2586 | = | -74 | * | (90 | / | 589) | = | -11.30730049 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wilhelmina Henry Elementary | -78 | ||||||||||||
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 | 76580 | 2380 | - | 2436 | = | -56 | * | (87 | / | 572) | = | -8.51748251 | ||
| 4 | 76582 | 2415 | - | 2485 | = | -70 | * | (120 | / | 572) | = | -14.68531463 | ||
| 5 | 76585 | 2430 | - | 2528 | = | -98 | * | (95 | / | 572) | = | -16.27622377 | ||
| 6 | 76587 | 2481 | - | 2552 | = | -71 | * | (90 | / | 572) | = | -11.17132865 | ||
| 7 | 76589 | 2445 | - | 2567 | = | -122 | * | (92 | / | 572) | = | -19.62237752 | ||
| 8 | 76591 | 2464 | - | 2586 | = | -122 | * | (88 | / | 572) | = | -18.76923067 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wilhelmina Henry Elementary | -89 | ||||||||||||
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 | 76764 | 2415 | - | 2436 | = | -21 | * | (79 | / | 585) | = | -2.83589744 | ||
| 4 | 76765 | 2419 | - | 2485 | = | -66 | * | (94 | / | 585) | = | -10.60512816 | ||
| 5 | 76768 | 2429 | - | 2528 | = | -99 | * | (126 | / | 585) | = | -21.32307689 | ||
| 6 | 76769 | 2459 | - | 2552 | = | -93 | * | (97 | / | 585) | = | -15.42051275 | ||
| 7 | 76772 | 2478 | - | 2567 | = | -89 | * | (95 | / | 585) | = | -14.45299142 | ||
| 8 | 76773 | 2475 | - | 2586 | = | -111 | * | (94 | / | 585) | = | -17.83589736 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wilhelmina Henry Elementary | -82 | ||||||||||||
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 | 77270 | 2400 | - | 2436 | = | -36 | * | (93 | / | 583) | = | -5.7427101 | ||
| 4 | 77271 | 2447 | - | 2485 | = | -38 | * | (93 | / | 583) | = | -6.06174955 | ||
| 5 | 77272 | 2420 | - | 2528 | = | -108 | * | (91 | / | 583) | = | -16.85763284 | ||
| 6 | 77273 | 2460 | - | 2552 | = | -92 | * | (119 | / | 583) | = | -18.7787307 | ||
| 7 | 77274 | 2469 | - | 2567 | = | -98 | * | (94 | / | 583) | = | -15.80102912 | ||
| 8 | 77275 | 2480 | - | 2586 | = | -106 | * | (93 | / | 583) | = | -16.90909085 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wilhelmina Henry Elementary | -80 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -92 | -78 | -89 | -82 | -80 | -421.0 | -84.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -66.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -102.2
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 | 88% | 87% | 79% | 88% | 83% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Stockton Unified school district | County of San Joaquin
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.
Wilhelmina Henry Elementary math proficiency
Zero+ meets standard.
81% less $meal
81% less $meal
72% less $meal
83% less $meal
78% 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.