Cherrywood Elementary (Data source)
Source data for Cherrywood 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 | 2624577 | 2434 | - | 2436 | = | -2 | * | (74 | / | 213) | = | -0.69483568 | ||
| 4 | 2624580 | 2471 | - | 2485 | = | -14 | * | (57 | / | 213) | = | -3.74647886 | ||
| 5 | 2624581 | 2475 | - | 2528 | = | -53 | * | (82 | / | 213) | = | -20.40375583 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cherrywood Elementary | -25 | ||||||||||||
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 | 80073 | 2449 | - | 2436 | = | 13 | * | (56 | / | 182) | = | 3.99999999 | ||
| 4 | 80076 | 2458 | - | 2485 | = | -27 | * | (67 | / | 182) | = | -9.93956044 | ||
| 5 | 80077 | 2486 | - | 2528 | = | -42 | * | (59 | / | 182) | = | -13.61538461 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cherrywood Elementary | -20 | ||||||||||||
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 | 82266 | 2462 | - | 2436 | = | 26 | * | (59 | / | 171) | = | 8.97076021 | ||
| 4 | 82269 | 2485 | - | 2485 | = | 0 | * | (50 | / | 171) | = | 0.0 | ||
| 5 | 82271 | 2504 | - | 2528 | = | -24 | * | (62 | / | 171) | = | -8.70175438 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cherrywood Elementary | 0 | ||||||||||||
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 | 82469 | 2489 | - | 2436 | = | 53 | * | (59 | / | 164) | = | 19.06707314 | ||
| 4 | 82471 | 2492 | - | 2485 | = | 7 | * | (54 | / | 164) | = | 2.30487804 | ||
| 5 | 82473 | 2513 | - | 2528 | = | -15 | * | (51 | / | 164) | = | -4.66463414 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cherrywood Elementary | 17 | ||||||||||||
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 | 83086 | 2474 | - | 2436 | = | 38 | * | (47 | / | 165) | = | 10.82424239 | ||
| 4 | 83087 | 2525 | - | 2485 | = | 40 | * | (59 | / | 165) | = | 14.30303028 | ||
| 5 | 83088 | 2520 | - | 2528 | = | -8 | * | (59 | / | 165) | = | -2.86060606 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cherrywood Elementary | 22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -25 | -20 | 0 | 17 | 22 | -6.0 | -1.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 70.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.5
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 | 33% | 35% | 35% | 37% | 30% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Berryessa Union Elementary school district | County of Santa Clara
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.
Cherrywood Elementary math proficiency
Zero+ meets standard.
27% less $meal
28% less $meal
26% less $meal
31% 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.