Evelyn Carr Elementary (Data source)
Source data for Evelyn Carr 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 | 1129469 | 2441 | - | 2436 | = | 5 | * | (50 | / | 165) | = | 1.51515152 | ||
| 4 | 1129472 | 2453 | - | 2485 | = | -32 | * | (66 | / | 165) | = | -12.8 | ||
| 5 | 1129473 | 2491 | - | 2528 | = | -37 | * | (49 | / | 165) | = | -10.98787875 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Evelyn Carr Elementary | -22 | ||||||||||||
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 | 35227 | 2467 | - | 2436 | = | 31 | * | (49 | / | 167) | = | 9.09580836 | ||
| 4 | 35229 | 2477 | - | 2485 | = | -8 | * | (48 | / | 167) | = | -2.29940119 | ||
| 5 | 35232 | 2486 | - | 2528 | = | -42 | * | (70 | / | 167) | = | -17.60479039 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Evelyn Carr Elementary | -11 | ||||||||||||
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 | 35926 | 2440 | - | 2436 | = | 4 | * | (55 | / | 154) | = | 1.42857143 | ||
| 4 | 35927 | 2490 | - | 2485 | = | 5 | * | (49 | / | 154) | = | 1.59090909 | ||
| 5 | 35929 | 2481 | - | 2528 | = | -47 | * | (50 | / | 154) | = | -15.25974023 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Evelyn Carr Elementary | -12 | ||||||||||||
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 | 35925 | 2457 | - | 2436 | = | 21 | * | (60 | / | 163) | = | 7.73006134 | ||
| 4 | 35927 | 2470 | - | 2485 | = | -15 | * | (55 | / | 163) | = | -5.06134968 | ||
| 5 | 35929 | 2506 | - | 2528 | = | -22 | * | (48 | / | 163) | = | -6.47852759 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Evelyn Carr Elementary | -4 | ||||||||||||
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 | 36094 | 2466 | - | 2436 | = | 30 | * | (66 | / | 182) | = | 10.87912086 | ||
| 4 | 36095 | 2496 | - | 2485 | = | 11 | * | (62 | / | 182) | = | 3.74725274 | ||
| 5 | 36096 | 2490 | - | 2528 | = | -38 | * | (54 | / | 182) | = | -11.27472525 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Evelyn Carr Elementary | 3 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -22 | -11 | -12 | -4 | 3 | -46.0 | -9.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 17.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.2
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 | 57% | 60% | 54% | 58% | 62% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Torrance 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.
Evelyn Carr Elementary math proficiency
Zero+ meets standard.
48% less $meal
46% less $meal
43% less $meal
50% less $meal
52% 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.