Jefferson Elementary (Data source)
Source data for Jefferson 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 | 1083049 | 2397 | - | 2436 | = | -39 | * | (65 | / | 186) | = | -13.62903224 | ||
| 4 | 1083050 | 2425 | - | 2485 | = | -60 | * | (67 | / | 186) | = | -21.61290318 | ||
| 5 | 1083053 | 2441 | - | 2528 | = | -87 | * | (54 | / | 186) | = | -25.25806446 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jefferson Elementary | -60 | ||||||||||||
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 | 33944 | 2399 | - | 2436 | = | -37 | * | (55 | / | 183) | = | -11.12021858 | ||
| 4 | 33946 | 2435 | - | 2485 | = | -50 | * | (62 | / | 183) | = | -16.9398907 | ||
| 5 | 33947 | 2431 | - | 2528 | = | -97 | * | (66 | / | 183) | = | -34.98360649 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jefferson Elementary | -63 | ||||||||||||
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 | 34540 | 2393 | - | 2436 | = | -43 | * | (63 | / | 190) | = | -14.25789472 | ||
| 4 | 34541 | 2450 | - | 2485 | = | -35 | * | (59 | / | 190) | = | -10.86842103 | ||
| 5 | 34543 | 2443 | - | 2528 | = | -85 | * | (68 | / | 190) | = | -30.42105256 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jefferson 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 | 34542 | 2382 | - | 2436 | = | -54 | * | (46 | / | 158) | = | -15.72151896 | ||
| 4 | 34544 | 2456 | - | 2485 | = | -29 | * | (60 | / | 158) | = | -11.01265822 | ||
| 5 | 34546 | 2467 | - | 2528 | = | -61 | * | (52 | / | 158) | = | -20.07594936 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jefferson Elementary | -47 | ||||||||||||
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 | 34714 | 2393 | - | 2436 | = | -43 | * | (47 | / | 145) | = | -13.93793103 | ||
| 4 | 34715 | 2441 | - | 2485 | = | -44 | * | (41 | / | 145) | = | -12.44137928 | ||
| 5 | 34716 | 2454 | - | 2528 | = | -74 | * | (57 | / | 145) | = | -29.08965515 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jefferson Elementary | -55 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -60 | -63 | -56 | -47 | -55 | -281.0 | -56.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -38.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.2
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 | 94% | 91% | 86% | 87% | 85% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pasadena 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.
Jefferson Elementary math proficiency
Zero+ meets standard.
83% less $meal
78% less $meal
70% less $meal
78% less $meal
75% 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.