West Creek Elementary (Data source)
Source data for West Creek 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 | 1934423 | 2342 | - | 2436 | = | -94 | * | (83 | / | 368) | = | -21.20108693 | ||
| 4 | 1934426 | 2387 | - | 2485 | = | -98 | * | (89 | / | 368) | = | -23.70108695 | ||
| 5 | 1934427 | 2385 | - | 2528 | = | -143 | * | (105 | / | 368) | = | -40.8016303 | ||
| 6 | 1934430 | 2433 | - | 2552 | = | -119 | * | (91 | / | 368) | = | -29.42663035 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for West Creek Elementary | -115 | ||||||||||||
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 | 59603 | 2329 | - | 2436 | = | -107 | * | (64 | / | 328) | = | -20.87804876 | ||
| 4 | 59604 | 2370 | - | 2485 | = | -115 | * | (89 | / | 328) | = | -31.20426825 | ||
| 5 | 59607 | 2404 | - | 2528 | = | -124 | * | (79 | / | 328) | = | -29.86585359 | ||
| 6 | 59609 | 2410 | - | 2552 | = | -142 | * | (96 | / | 328) | = | -41.56097549 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for West Creek Elementary | -124 | ||||||||||||
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 | 61340 | 2350 | - | 2436 | = | -86 | * | (55 | / | 175) | = | -27.0285714 | ||
| 4 | 61341 | 2352 | - | 2485 | = | -133 | * | (55 | / | 175) | = | -41.79999996 | ||
| 5 | 61344 | 2400 | - | 2528 | = | -128 | * | (65 | / | 175) | = | -47.54285709 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for West Creek Elementary | -116 | ||||||||||||
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 | 61453 | 2355 | - | 2436 | = | -81 | * | (77 | / | 204) | = | -30.57352938 | ||
| 4 | 61455 | 2398 | - | 2485 | = | -87 | * | (67 | / | 204) | = | -28.57352936 | ||
| 5 | 61457 | 2382 | - | 2528 | = | -146 | * | (60 | / | 204) | = | -42.94117646 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for West Creek Elementary | -102 | ||||||||||||
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 | 61709 | 2361 | - | 2436 | = | -75 | * | (77 | / | 232) | = | -24.89224133 | ||
| 4 | 61710 | 2398 | - | 2485 | = | -87 | * | (71 | / | 232) | = | -26.62499993 | ||
| 5 | 61711 | 2420 | - | 2528 | = | -108 | * | (84 | / | 232) | = | -39.10344822 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for West Creek Elementary | -91 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -115 | -124 | -116 | -102 | -91 | -548.0 | -109.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -70.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -148.6
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 | 88% | 89% | 94% | 85% | 86% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Adelanto Elementary school district | County of San Bernardino
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.
West Creek Elementary math proficiency
Zero+ meets standard.
83% less $meal
83% less $meal
87% less $meal
80% 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.