Roosevelt Elementary (Data source)
Source data for Roosevelt 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 | 1095395 | 2396 | - | 2436 | = | -40 | * | (129 | / | 340) | = | -15.17647056 | ||
| 4 | 1095396 | 2447 | - | 2485 | = | -38 | * | (114 | / | 340) | = | -12.74117645 | ||
| 5 | 1095398 | 2461 | - | 2528 | = | -67 | * | (97 | / | 340) | = | -19.11470584 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Roosevelt Elementary | -47 | ||||||||||||
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 | 34286 | 2384 | - | 2436 | = | -52 | * | (113 | / | 324) | = | -18.13580246 | ||
| 4 | 34287 | 2451 | - | 2485 | = | -34 | * | (102 | / | 324) | = | -10.70370368 | ||
| 5 | 34290 | 2493 | - | 2528 | = | -35 | * | (109 | / | 324) | = | -11.77469136 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Roosevelt Elementary | -41 | ||||||||||||
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 | 34897 | 2378 | - | 2436 | = | -58 | * | (98 | / | 296) | = | -19.2027027 | ||
| 4 | 34899 | 2437 | - | 2485 | = | -48 | * | (96 | / | 296) | = | -15.56756755 | ||
| 5 | 34901 | 2465 | - | 2528 | = | -63 | * | (102 | / | 296) | = | -21.70945942 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Roosevelt Elementary | -56 | ||||||||||||
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 | 34907 | 2375 | - | 2436 | = | -61 | * | (110 | / | 306) | = | -21.92810456 | ||
| 4 | 34910 | 2433 | - | 2485 | = | -52 | * | (99 | / | 306) | = | -16.82352937 | ||
| 5 | 34911 | 2459 | - | 2528 | = | -69 | * | (97 | / | 306) | = | -21.87254902 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Roosevelt Elementary | -61 | ||||||||||||
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 | 35082 | 2416 | - | 2436 | = | -20 | * | (88 | / | 272) | = | -6.47058822 | ||
| 4 | 35083 | 2428 | - | 2485 | = | -57 | * | (101 | / | 272) | = | -21.16544115 | ||
| 5 | 35084 | 2484 | - | 2528 | = | -44 | * | (83 | / | 272) | = | -13.42647055 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Roosevelt Elementary | -41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -47 | -41 | -56 | -61 | -41 | -246.0 | -49.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -22.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.2
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 | 95% | 96% | 96% | 97% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pomona 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.
Roosevelt Elementary math proficiency
Zero+ meets standard.
88% less $meal
90% less $meal
88% less $meal
91% less $meal
87% 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.