Riverbank Language Academy (Data source)
Source data for Riverbank Language Academy
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 | 2968290 | 2389 | - | 2436 | = | -47 | * | (60 | / | 327) | = | -8.62385319 | ||
| 4 | 2968293 | 2412 | - | 2485 | = | -73 | * | (58 | / | 327) | = | -12.94801219 | ||
| 5 | 2968294 | 2454 | - | 2528 | = | -74 | * | (60 | / | 327) | = | -13.57798161 | ||
| 6 | 2968297 | 2452 | - | 2552 | = | -100 | * | (54 | / | 327) | = | -16.5137614 | ||
| 7 | 2968298 | 2516 | - | 2567 | = | -51 | * | (55 | / | 327) | = | -8.57798162 | ||
| 8 | 2968301 | 2531 | - | 2586 | = | -55 | * | (40 | / | 327) | = | -6.72782875 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Riverbank Language Academy | -67 | ||||||||||||
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 | 90814 | 2405 | - | 2436 | = | -31 | * | (61 | / | 332) | = | -5.69578311 | ||
| 4 | 90816 | 2427 | - | 2485 | = | -58 | * | (60 | / | 332) | = | -10.48192768 | ||
| 5 | 90818 | 2438 | - | 2528 | = | -90 | * | (56 | / | 332) | = | -15.18072282 | ||
| 6 | 90820 | 2486 | - | 2552 | = | -66 | * | (56 | / | 332) | = | -11.13253007 | ||
| 7 | 90821 | 2515 | - | 2567 | = | -52 | * | (49 | / | 332) | = | -7.67469877 | ||
| 8 | 90824 | 2510 | - | 2586 | = | -76 | * | (50 | / | 332) | = | -11.44578308 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Riverbank Language Academy | -62 | ||||||||||||
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 | 93535 | 2420 | - | 2436 | = | -16 | * | (66 | / | 339) | = | -3.11504424 | ||
| 4 | 93537 | 2428 | - | 2485 | = | -57 | * | (60 | / | 339) | = | -10.08849555 | ||
| 5 | 93540 | 2466 | - | 2528 | = | -62 | * | (59 | / | 339) | = | -10.79056041 | ||
| 6 | 93542 | 2490 | - | 2552 | = | -62 | * | (55 | / | 339) | = | -10.05899699 | ||
| 7 | 93543 | 2524 | - | 2567 | = | -43 | * | (56 | / | 339) | = | -7.10324482 | ||
| 8 | 93545 | 2561 | - | 2586 | = | -25 | * | (43 | / | 339) | = | -3.17109143 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Riverbank Language Academy | -44 | ||||||||||||
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 | 93746 | 2424 | - | 2436 | = | -12 | * | (64 | / | 347) | = | -2.21325648 | ||
| 4 | 93749 | 2448 | - | 2485 | = | -37 | * | (62 | / | 347) | = | -6.61095099 | ||
| 5 | 93750 | 2473 | - | 2528 | = | -55 | * | (59 | / | 347) | = | -9.35158499 | ||
| 6 | 93753 | 2503 | - | 2552 | = | -49 | * | (58 | / | 347) | = | -8.19020173 | ||
| 7 | 93754 | 2495 | - | 2567 | = | -72 | * | (50 | / | 347) | = | -10.37463977 | ||
| 8 | 93757 | 2571 | - | 2586 | = | -15 | * | (54 | / | 347) | = | -2.33429394 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Riverbank Language Academy | -39 | ||||||||||||
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 | 94380 | 2448 | - | 2436 | = | 12 | * | (66 | / | 340) | = | 2.32941176 | ||
| 4 | 94381 | 2459 | - | 2485 | = | -26 | * | (61 | / | 340) | = | -4.66470586 | ||
| 5 | 94382 | 2505 | - | 2528 | = | -23 | * | (58 | / | 340) | = | -3.92352941 | ||
| 6 | 94383 | 2515 | - | 2552 | = | -37 | * | (55 | / | 340) | = | -5.98529409 | ||
| 7 | 94384 | 2542 | - | 2567 | = | -25 | * | (52 | / | 340) | = | -3.8235294 | ||
| 8 | 94385 | 2518 | - | 2586 | = | -68 | * | (48 | / | 340) | = | -9.59999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Riverbank Language Academy | -26 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -67 | -62 | -44 | -39 | -26 | -238.0 | -47.6 |
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 | 70% | 67% | 65% | 66% | 64% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Riverbank Unified school district | County of Stanislaus
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.
Elementary School (Public) schools in Riverbank Unified (2)
| California Avenue Elementary | Mesa Verde Elementary |