Rio Hondo Elementary (Data source)
Source data for Rio Hondo 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 | 675819 | 2409 | - | 2436 | = | -27 | * | (144 | / | 420) | = | -9.25714283 | ||
| 4 | 675822 | 2452 | - | 2485 | = | -33 | * | (140 | / | 420) | = | -10.99999999 | ||
| 5 | 675823 | 2459 | - | 2528 | = | -69 | * | (136 | / | 420) | = | -22.34285709 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rio Hondo Elementary | -43 | ||||||||||||
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 | 21385 | 2428 | - | 2436 | = | -8 | * | (139 | / | 413) | = | -2.69249394 | ||
| 4 | 21387 | 2454 | - | 2485 | = | -31 | * | (136 | / | 413) | = | -10.20823242 | ||
| 5 | 21390 | 2484 | - | 2528 | = | -44 | * | (138 | / | 413) | = | -14.70217914 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rio Hondo Elementary | -28 | ||||||||||||
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 | 21793 | 2449 | - | 2436 | = | 13 | * | (128 | / | 393) | = | 4.23409669 | ||
| 4 | 21795 | 2454 | - | 2485 | = | -31 | * | (126 | / | 393) | = | -9.9389313 | ||
| 5 | 21798 | 2467 | - | 2528 | = | -61 | * | (139 | / | 393) | = | -21.57506359 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rio Hondo Elementary | -27 | ||||||||||||
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 | 21768 | 2434 | - | 2436 | = | -2 | * | (108 | / | 384) | = | -0.5625 | ||
| 4 | 21770 | 2484 | - | 2485 | = | -1 | * | (141 | / | 384) | = | -0.3671875 | ||
| 5 | 21772 | 2473 | - | 2528 | = | -55 | * | (135 | / | 384) | = | -19.3359375 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rio Hondo Elementary | -20 | ||||||||||||
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 | 21938 | 2422 | - | 2436 | = | -14 | * | (128 | / | 370) | = | -4.84324323 | ||
| 4 | 21939 | 2483 | - | 2485 | = | -2 | * | (103 | / | 370) | = | -0.55675676 | ||
| 5 | 21940 | 2489 | - | 2528 | = | -39 | * | (139 | / | 370) | = | -14.65135133 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rio Hondo Elementary | -20 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -43 | -28 | -27 | -20 | -20 | -138.0 | -27.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -0.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -54.6
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 | 66% | 68% | 71% | 71% | 70% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Downey Unified school district | County of Los Angeles
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.
Rio Hondo Elementary math proficiency
Zero+ meets standard.
48% less $meal
50% less $meal
57% less $meal
58% less $meal
58% 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.