May Ranch Elementary (Data source)
Source data for May Ranch 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 | 1786057 | 2419 | - | 2436 | = | -17 | * | (153 | / | 482) | = | -5.39626555 | ||
| 4 | 1786060 | 2468 | - | 2485 | = | -17 | * | (166 | / | 482) | = | -5.85477178 | ||
| 5 | 1786061 | 2472 | - | 2528 | = | -56 | * | (163 | / | 482) | = | -18.93775929 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for May Ranch Elementary | -30 | ||||||||||||
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 | 55377 | 2394 | - | 2436 | = | -42 | * | (156 | / | 478) | = | -13.70711294 | ||
| 4 | 55378 | 2462 | - | 2485 | = | -23 | * | (159 | / | 478) | = | -7.65062761 | ||
| 5 | 55381 | 2499 | - | 2528 | = | -29 | * | (163 | / | 478) | = | -9.88912134 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for May Ranch Elementary | -31 | ||||||||||||
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 | 56981 | 2424 | - | 2436 | = | -12 | * | (136 | / | 437) | = | -3.73455377 | ||
| 4 | 56984 | 2470 | - | 2485 | = | -15 | * | (145 | / | 437) | = | -4.9771167 | ||
| 5 | 56985 | 2491 | - | 2528 | = | -37 | * | (156 | / | 437) | = | -13.20823799 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for May Ranch Elementary | -22 | ||||||||||||
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 | 57089 | 2419 | - | 2436 | = | -17 | * | (135 | / | 428) | = | -5.36214952 | ||
| 4 | 57090 | 2500 | - | 2485 | = | 15 | * | (141 | / | 428) | = | 4.94158878 | ||
| 5 | 57093 | 2500 | - | 2528 | = | -28 | * | (152 | / | 428) | = | -9.94392521 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for May Ranch Elementary | -10 | ||||||||||||
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 | 57341 | 2422 | - | 2436 | = | -14 | * | (154 | / | 425) | = | -5.07294117 | ||
| 4 | 57342 | 2511 | - | 2485 | = | 26 | * | (131 | / | 425) | = | 8.01411764 | ||
| 5 | 57343 | 2523 | - | 2528 | = | -5 | * | (140 | / | 425) | = | -1.64705882 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for May Ranch Elementary | 1 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -30 | -31 | -22 | -10 | 1 | -92.0 | -18.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -57.4
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 | 78% | 78% | 79% | 81% | 80% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Val Verde Unified school district | County of Riverside
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.
May Ranch Elementary math proficiency
Zero+ meets standard.
58% less $meal
58% less $meal
59% less $meal
67% 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.