Ruus Elementary (Data source)
Source data for Ruus 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 | 49513 | 2353 | - | 2436 | = | -83 | * | (67 | / | 316) | = | -17.59810123 | ||
| 4 | 49516 | 2405 | - | 2485 | = | -80 | * | (93 | / | 316) | = | -23.54430376 | ||
| 5 | 49517 | 2445 | - | 2528 | = | -83 | * | (70 | / | 316) | = | -18.38607592 | ||
| 6 | 49520 | 2467 | - | 2552 | = | -85 | * | (86 | / | 316) | = | -23.13291133 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ruus Elementary | -83 | ||||||||||||
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 | 1325 | 2395 | - | 2436 | = | -41 | * | (70 | / | 310) | = | -9.25806449 | ||
| 4 | 1328 | 2404 | - | 2485 | = | -81 | * | (74 | / | 310) | = | -19.33548384 | ||
| 5 | 1329 | 2433 | - | 2528 | = | -95 | * | (93 | / | 310) | = | -28.5 | ||
| 6 | 1331 | 2501 | - | 2552 | = | -51 | * | (73 | / | 310) | = | -12.00967737 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ruus Elementary | -69 | ||||||||||||
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 | 1364 | 2386 | - | 2436 | = | -50 | * | (73 | / | 306) | = | -11.92810455 | ||
| 4 | 1366 | 2441 | - | 2485 | = | -44 | * | (71 | / | 306) | = | -10.20915029 | ||
| 5 | 1368 | 2436 | - | 2528 | = | -92 | * | (72 | / | 306) | = | -21.64705876 | ||
| 6 | 1370 | 2492 | - | 2552 | = | -60 | * | (90 | / | 306) | = | -17.64705882 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ruus Elementary | -61 | ||||||||||||
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 | 1394 | 2378 | - | 2436 | = | -58 | * | (66 | / | 273) | = | -14.02197798 | ||
| 4 | 1396 | 2422 | - | 2485 | = | -63 | * | (65 | / | 273) | = | -14.99999999 | ||
| 5 | 1398 | 2484 | - | 2528 | = | -44 | * | (71 | / | 273) | = | -11.44322344 | ||
| 6 | 1400 | 2491 | - | 2552 | = | -61 | * | (71 | / | 273) | = | -15.86446886 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ruus Elementary | -56 | ||||||||||||
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 | 1420 | 2370 | - | 2436 | = | -66 | * | (64 | / | 249) | = | -16.96385539 | ||
| 4 | 1421 | 2439 | - | 2485 | = | -46 | * | (66 | / | 249) | = | -12.19277104 | ||
| 5 | 1422 | 2455 | - | 2528 | = | -73 | * | (61 | / | 249) | = | -17.88353409 | ||
| 6 | 1423 | 2557 | - | 2552 | = | 5 | * | (58 | / | 249) | = | 1.16465863 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ruus Elementary | -46 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -83 | -69 | -61 | -56 | -46 | -315.0 | -63.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -24.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -102.0
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 | 78% | 80% | 67% | 70% | 72% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hayward Unified school district | County of Alameda
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.
Ruus Elementary math proficiency
Zero+ meets standard.
69% less $meal
68% less $meal
53% less $meal
61% less $meal
63% 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.