Riverbank Elementary (Data source)
Source data for Riverbank 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 | 3177715 | 2400 | - | 2436 | = | -36 | * | (99 | / | 546) | = | -6.52747252 | ||
| 4 | 3177716 | 2409 | - | 2485 | = | -76 | * | (90 | / | 546) | = | -12.52747246 | ||
| 5 | 3177719 | 2434 | - | 2528 | = | -94 | * | (63 | / | 546) | = | -10.84615381 | ||
| 6 | 3177720 | 2454 | - | 2552 | = | -98 | * | (99 | / | 546) | = | -17.76923074 | ||
| 7 | 3177723 | 2459 | - | 2567 | = | -108 | * | (86 | / | 546) | = | -17.01098896 | ||
| 8 | 3177724 | 2476 | - | 2586 | = | -110 | * | (109 | / | 546) | = | -21.95970689 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Riverbank Elementary | -87 | ||||||||||||
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 | 97924 | 2394 | - | 2436 | = | -42 | * | (98 | / | 553) | = | -7.44303794 | ||
| 4 | 97926 | 2402 | - | 2485 | = | -83 | * | (98 | / | 553) | = | -14.70886069 | ||
| 5 | 97929 | 2419 | - | 2528 | = | -109 | * | (89 | / | 553) | = | -17.54249543 | ||
| 6 | 97931 | 2458 | - | 2552 | = | -94 | * | (79 | / | 553) | = | -13.42857135 | ||
| 7 | 97933 | 2467 | - | 2567 | = | -100 | * | (100 | / | 553) | = | -18.0831826 | ||
| 8 | 97935 | 2464 | - | 2586 | = | -122 | * | (89 | / | 553) | = | -19.63471965 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Riverbank Elementary | -91 | ||||||||||||
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 | 100773 | 2382 | - | 2436 | = | -54 | * | (101 | / | 563) | = | -9.68738897 | ||
| 4 | 100775 | 2397 | - | 2485 | = | -88 | * | (85 | / | 563) | = | -13.28596799 | ||
| 5 | 100778 | 2430 | - | 2528 | = | -98 | * | (86 | / | 563) | = | -14.96980458 | ||
| 6 | 100780 | 2487 | - | 2552 | = | -65 | * | (97 | / | 563) | = | -11.19893424 | ||
| 7 | 100782 | 2452 | - | 2567 | = | -115 | * | (83 | / | 563) | = | -16.95381877 | ||
| 8 | 100783 | 2457 | - | 2586 | = | -129 | * | (111 | / | 563) | = | -25.43339245 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Riverbank Elementary | -92 | ||||||||||||
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 | 100921 | 2395 | - | 2436 | = | -41 | * | (88 | / | 536) | = | -6.73134326 | ||
| 4 | 100922 | 2406 | - | 2485 | = | -79 | * | (99 | / | 536) | = | -14.59141787 | ||
| 5 | 100925 | 2420 | - | 2528 | = | -108 | * | (86 | / | 536) | = | -17.32835819 | ||
| 6 | 100926 | 2480 | - | 2552 | = | -72 | * | (94 | / | 536) | = | -12.62686565 | ||
| 7 | 100929 | 2471 | - | 2567 | = | -96 | * | (97 | / | 536) | = | -17.3731343 | ||
| 8 | 100930 | 2453 | - | 2586 | = | -133 | * | (72 | / | 536) | = | -17.86567161 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Riverbank Elementary | -87 | ||||||||||||
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 | 101586 | 2394 | - | 2436 | = | -42 | * | (85 | / | 553) | = | -6.45569618 | ||
| 4 | 101587 | 2409 | - | 2485 | = | -76 | * | (86 | / | 553) | = | -11.81916812 | ||
| 5 | 101588 | 2434 | - | 2528 | = | -94 | * | (94 | / | 553) | = | -15.9783001 | ||
| 6 | 101589 | 2403 | - | 2552 | = | -149 | * | (91 | / | 553) | = | -24.51898734 | ||
| 7 | 101590 | 2475 | - | 2567 | = | -92 | * | (94 | / | 553) | = | -15.63833627 | ||
| 8 | 101591 | 2475 | - | 2586 | = | -111 | * | (103 | / | 553) | = | -20.67450269 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Riverbank Elementary | -95 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -87 | -91 | -92 | -87 | -95 | -452.0 | -90.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -81.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.4
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 | 87% | 80% | 85% | 87% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Washington Unified school district | County of Yolo
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.
Riverbank Elementary math proficiency
Zero+ meets standard.
74% less $meal
75% less $meal
79% less $meal
79% less $meal
78% 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.
Elementary School (Public) schools in Washington Unified (7)
| Bridgeway Island Elementary | Elkhorn Village Elementary | Riverbank Elementary |
| Southport Elementary | Stonegate Elementary | Westfield Village Elementary |
| Westmore Oaks Elementary |