Evergreen Elementary (Data source)
Source data for Evergreen 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 | 685170 | 2382 | - | 2436 | = | -54 | * | (81 | / | 250) | = | -17.496 | ||
| 4 | 685173 | 2465 | - | 2485 | = | -20 | * | (95 | / | 250) | = | -7.6 | ||
| 5 | 685174 | 2446 | - | 2528 | = | -82 | * | (74 | / | 250) | = | -24.272 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Evergreen Elementary | -49 | ||||||||||||
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 | 21655 | 2401 | - | 2436 | = | -35 | * | (75 | / | 244) | = | -10.75819672 | ||
| 4 | 21657 | 2421 | - | 2485 | = | -64 | * | (77 | / | 244) | = | -20.19672128 | ||
| 5 | 21658 | 2511 | - | 2528 | = | -17 | * | (92 | / | 244) | = | -6.40983606 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Evergreen Elementary | -37 | ||||||||||||
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 | 22075 | 2415 | - | 2436 | = | -21 | * | (69 | / | 220) | = | -6.58636362 | ||
| 4 | 22078 | 2436 | - | 2485 | = | -49 | * | (76 | / | 220) | = | -16.92727271 | ||
| 5 | 22079 | 2445 | - | 2528 | = | -83 | * | (75 | / | 220) | = | -28.29545447 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Evergreen Elementary | -52 | ||||||||||||
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 | 22062 | 2416 | - | 2436 | = | -20 | * | (63 | / | 208) | = | -6.0576923 | ||
| 4 | 22064 | 2467 | - | 2485 | = | -18 | * | (69 | / | 208) | = | -5.97115384 | ||
| 5 | 22066 | 2486 | - | 2528 | = | -42 | * | (76 | / | 208) | = | -15.34615383 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Evergreen Elementary | -27 | ||||||||||||
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 | 22240 | 2441 | - | 2436 | = | 5 | * | (54 | / | 187) | = | 1.44385027 | ||
| 4 | 22241 | 2445 | - | 2485 | = | -40 | * | (63 | / | 187) | = | -13.4759358 | ||
| 5 | 22242 | 2502 | - | 2528 | = | -26 | * | (70 | / | 187) | = | -9.7326203 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Evergreen Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -49 | -37 | -52 | -27 | -22 | -187.0 | -37.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.4
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 | 90% | 88% | 84% | 85% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
East Whittier City Elementary 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.
Evergreen Elementary math proficiency
Zero+ meets standard.
80% less $meal
75% less $meal
74% less $meal
75% less $meal
71% 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.