Don Stowell Elementary (Data source)
Source data for Don Stowell 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 | 1313705 | 2365 | - | 2436 | = | -71 | * | (98 | / | 262) | = | -26.55725187 | ||
| 4 | 1313708 | 2392 | - | 2485 | = | -93 | * | (98 | / | 262) | = | -34.78625949 | ||
| 5 | 1313709 | 2411 | - | 2528 | = | -117 | * | (66 | / | 262) | = | -29.47328233 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Don Stowell Elementary | -91 | ||||||||||||
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 | 41215 | 2385 | - | 2436 | = | -51 | * | (95 | / | 316) | = | -15.33227846 | ||
| 4 | 41217 | 2400 | - | 2485 | = | -85 | * | (86 | / | 316) | = | -23.13291133 | ||
| 5 | 41219 | 2436 | - | 2528 | = | -92 | * | (83 | / | 316) | = | -24.16455688 | ||
| 6 | 41220 | 2400 | - | 2552 | = | -152 | * | (52 | / | 316) | = | -25.01265822 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Don Stowell Elementary | -88 | ||||||||||||
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 | 42234 | 2385 | - | 2436 | = | -51 | * | (80 | / | 341) | = | -11.96480936 | ||
| 4 | 42236 | 2408 | - | 2485 | = | -77 | * | (91 | / | 341) | = | -20.54838709 | ||
| 5 | 42238 | 2428 | - | 2528 | = | -100 | * | (84 | / | 341) | = | -24.633431 | ||
| 6 | 42240 | 2423 | - | 2552 | = | -129 | * | (86 | / | 341) | = | -32.53372428 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Don Stowell Elementary | -90 | ||||||||||||
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 | 42247 | 2398 | - | 2436 | = | -38 | * | (78 | / | 322) | = | -9.20496891 | ||
| 4 | 42248 | 2404 | - | 2485 | = | -81 | * | (81 | / | 322) | = | -20.3757764 | ||
| 5 | 42251 | 2435 | - | 2528 | = | -93 | * | (81 | / | 322) | = | -23.39440994 | ||
| 6 | 42252 | 2429 | - | 2552 | = | -123 | * | (82 | / | 322) | = | -31.32298136 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Don Stowell Elementary | -84 | ||||||||||||
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 | 42389 | 2413 | - | 2436 | = | -23 | * | (74 | / | 298) | = | -5.71140938 | ||
| 4 | 42390 | 2421 | - | 2485 | = | -64 | * | (77 | / | 298) | = | -16.5369127 | ||
| 5 | 42391 | 2424 | - | 2528 | = | -104 | * | (77 | / | 298) | = | -26.87248314 | ||
| 6 | 42392 | 2446 | - | 2552 | = | -106 | * | (70 | / | 298) | = | -24.89932877 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Don Stowell Elementary | -74 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -91 | -88 | -90 | -84 | -74 | -427.0 | -85.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -67.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -103.4
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 | 98% | 98% | 99% | 98% | 96% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Merced City Elementary school district | County of Merced
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.
Don Stowell Elementary math proficiency
Zero+ meets standard.
97% less $meal
96% less $meal
95% less $meal
96% less $meal
94% 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.