Cottonwood Elementary (Data source)
Source data for Cottonwood 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 | 1683418 | 2432 | - | 2436 | = | -4 | * | (27 | / | 181) | = | -0.59668508 | ||
| 4 | 1683419 | 2490 | - | 2485 | = | 5 | * | (27 | / | 181) | = | 0.74585635 | ||
| 5 | 1683422 | 2513 | - | 2528 | = | -15 | * | (40 | / | 181) | = | -3.31491713 | ||
| 6 | 1683423 | 2486 | - | 2552 | = | -66 | * | (27 | / | 181) | = | -9.84530382 | ||
| 7 | 1683426 | 2512 | - | 2567 | = | -55 | * | (25 | / | 181) | = | -7.59668503 | ||
| 8 | 1683427 | 2503 | - | 2586 | = | -83 | * | (35 | / | 181) | = | -16.0497237 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cottonwood Elementary | -37 | ||||||||||||
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 | 52521 | 2464 | - | 2436 | = | 28 | * | (25 | / | 173) | = | 4.04624276 | ||
| 4 | 52522 | 2489 | - | 2485 | = | 4 | * | (32 | / | 173) | = | 0.73988439 | ||
| 5 | 52524 | 2514 | - | 2528 | = | -14 | * | (26 | / | 173) | = | -2.10404624 | ||
| 6 | 52526 | 2509 | - | 2552 | = | -43 | * | (39 | / | 173) | = | -9.69364162 | ||
| 7 | 52528 | 2483 | - | 2567 | = | -84 | * | (23 | / | 173) | = | -11.16762998 | ||
| 8 | 52530 | 2549 | - | 2586 | = | -37 | * | (28 | / | 173) | = | -5.98843927 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cottonwood Elementary | -24 | ||||||||||||
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 | 54030 | 2487 | - | 2436 | = | 51 | * | (24 | / | 177) | = | 6.91525422 | ||
| 4 | 54031 | 2480 | - | 2485 | = | -5 | * | (29 | / | 177) | = | -0.81920904 | ||
| 5 | 54034 | 2508 | - | 2528 | = | -20 | * | (34 | / | 177) | = | -3.8418079 | ||
| 6 | 54035 | 2527 | - | 2552 | = | -25 | * | (28 | / | 177) | = | -3.95480225 | ||
| 7 | 54037 | 2507 | - | 2567 | = | -60 | * | (39 | / | 177) | = | -13.22033898 | ||
| 8 | 54039 | 2490 | - | 2586 | = | -96 | * | (23 | / | 177) | = | -12.47457619 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cottonwood Elementary | -27 | ||||||||||||
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 | 54138 | 2499 | - | 2436 | = | 63 | * | (19 | / | 153) | = | 7.82352938 | ||
| 4 | 54141 | 2496 | - | 2485 | = | 11 | * | (21 | / | 153) | = | 1.50980391 | ||
| 5 | 54142 | 2514 | - | 2528 | = | -14 | * | (28 | / | 153) | = | -2.56209149 | ||
| 6 | 54145 | 2497 | - | 2552 | = | -55 | * | (24 | / | 153) | = | -8.62745098 | ||
| 7 | 54146 | 2532 | - | 2567 | = | -35 | * | (24 | / | 153) | = | -5.49019608 | ||
| 8 | 54149 | 2523 | - | 2586 | = | -63 | * | (37 | / | 153) | = | -15.2352941 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cottonwood Elementary | -23 | ||||||||||||
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 | 54380 | 2479 | - | 2436 | = | 43 | * | (20 | / | 133) | = | 6.46616538 | ||
| 4 | 54381 | 2496 | - | 2485 | = | 11 | * | (21 | / | 133) | = | 1.7368421 | ||
| 5 | 54382 | 2537 | - | 2528 | = | 9 | * | (15 | / | 133) | = | 1.01503759 | ||
| 6 | 54383 | 2504 | - | 2552 | = | -48 | * | (29 | / | 133) | = | -10.46616538 | ||
| 7 | 54384 | 2527 | - | 2567 | = | -40 | * | (20 | / | 133) | = | -6.01503756 | ||
| 8 | 54385 | 2516 | - | 2586 | = | -70 | * | (28 | / | 133) | = | -14.73684205 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cottonwood Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -37 | -24 | -27 | -23 | -22 | -133.0 | -26.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -8.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -44.6
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 | 76% | 69% | 69% | 71% | 75% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hemet Unified school district | County of Riverside
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.
Cottonwood Elementary math proficiency
Zero+ meets standard.
60% less $meal
56% less $meal
56% less $meal
60% less $meal
61% 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.