Willow Creek Academy Charter (Data source)
Source data for Willow Creek Academy Charter
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 | 1263410 | 2432 | - | 2436 | = | -4 | * | (36 | / | 188) | = | -0.76595744 | ||
| 4 | 1263413 | 2496 | - | 2485 | = | 11 | * | (42 | / | 188) | = | 2.45744681 | ||
| 5 | 1263414 | 2498 | - | 2528 | = | -30 | * | (41 | / | 188) | = | -6.54255318 | ||
| 6 | 1263417 | 2503 | - | 2552 | = | -49 | * | (23 | / | 188) | = | -5.99468083 | ||
| 7 | 1263418 | 2536 | - | 2567 | = | -31 | * | (22 | / | 188) | = | -3.62765956 | ||
| 8 | 1263421 | 2496 | - | 2586 | = | -90 | * | (24 | / | 188) | = | -11.48936166 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Willow Creek Academy Charter | -26 | ||||||||||||
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 | 39392 | 2439 | - | 2436 | = | 3 | * | (58 | / | 232) | = | 0.75 | ||
| 4 | 39395 | 2486 | - | 2485 | = | 1 | * | (42 | / | 232) | = | 0.18103448 | ||
| 5 | 39397 | 2507 | - | 2528 | = | -21 | * | (41 | / | 232) | = | -3.71120688 | ||
| 6 | 39399 | 2520 | - | 2552 | = | -32 | * | (46 | / | 232) | = | -6.34482758 | ||
| 7 | 39401 | 2518 | - | 2567 | = | -49 | * | (24 | / | 232) | = | -5.06896548 | ||
| 8 | 39402 | 2544 | - | 2586 | = | -42 | * | (21 | / | 232) | = | -3.80172412 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Willow Creek Academy Charter | -18 | ||||||||||||
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 | 40408 | 2416 | - | 2436 | = | -20 | * | (51 | / | 260) | = | -3.92307692 | ||
| 4 | 40410 | 2505 | - | 2485 | = | 20 | * | (52 | / | 260) | = | 4.0 | ||
| 5 | 40411 | 2508 | - | 2528 | = | -20 | * | (45 | / | 260) | = | -3.46153846 | ||
| 6 | 40414 | 2531 | - | 2552 | = | -21 | * | (43 | / | 260) | = | -3.47307692 | ||
| 7 | 40415 | 2556 | - | 2567 | = | -11 | * | (43 | / | 260) | = | -1.81923077 | ||
| 8 | 40418 | 2539 | - | 2586 | = | -47 | * | (26 | / | 260) | = | -4.7 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Willow Creek Academy Charter | -13 | ||||||||||||
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 | 40424 | 2429 | - | 2436 | = | -7 | * | (36 | / | 271) | = | -0.9298893 | ||
| 4 | 40427 | 2491 | - | 2485 | = | 6 | * | (49 | / | 271) | = | 1.08487085 | ||
| 5 | 40428 | 2528 | - | 2528 | = | 0 | * | (50 | / | 271) | = | 0.0 | ||
| 6 | 40431 | 2513 | - | 2552 | = | -39 | * | (48 | / | 271) | = | -6.90774907 | ||
| 7 | 40432 | 2562 | - | 2567 | = | -5 | * | (40 | / | 271) | = | -0.73800738 | ||
| 8 | 40435 | 2561 | - | 2586 | = | -25 | * | (48 | / | 271) | = | -4.42804428 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Willow Creek Academy Charter | -12 | ||||||||||||
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 | 40573 | 2450 | - | 2436 | = | 14 | * | (46 | / | 273) | = | 2.35897435 | ||
| 4 | 40574 | 2491 | - | 2485 | = | 6 | * | (42 | / | 273) | = | 0.92307692 | ||
| 5 | 40575 | 2527 | - | 2528 | = | -1 | * | (45 | / | 273) | = | -0.16483516 | ||
| 6 | 40576 | 2563 | - | 2552 | = | 11 | * | (50 | / | 273) | = | 2.01465201 | ||
| 7 | 40577 | 2558 | - | 2567 | = | -9 | * | (48 | / | 273) | = | -1.58241758 | ||
| 8 | 40578 | 2611 | - | 2586 | = | 25 | * | (42 | / | 273) | = | 3.84615383 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Willow Creek Academy Charter | 7 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -26 | -18 | -13 | -12 | 7 | -62.0 | -12.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
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 | 42% | 45% | 40% | 38% | 40% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sausalito Marin City school district | County of Marin
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.
-- no performance data available --
Elementary School (Public) schools in Sausalito Marin City (1)
| Bayside Martin Luther King Jr. Academy |