Mill Elementary (Data source)
Source data for Mill 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 | 1150219 | 2445 | - | 2436 | = | 9 | * | (82 | / | 236) | = | 3.12711864 | ||
| 4 | 1150222 | 2449 | - | 2485 | = | -36 | * | (77 | / | 236) | = | -11.7457627 | ||
| 5 | 1150223 | 2466 | - | 2528 | = | -62 | * | (77 | / | 236) | = | -20.22881353 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mill Elementary | -29 | ||||||||||||
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 | 35794 | 2465 | - | 2436 | = | 29 | * | (55 | / | 208) | = | 7.6682692 | ||
| 4 | 35796 | 2481 | - | 2485 | = | -4 | * | (80 | / | 208) | = | -1.53846154 | ||
| 5 | 35797 | 2508 | - | 2528 | = | -20 | * | (73 | / | 208) | = | -7.01923076 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mill Elementary | -1 | ||||||||||||
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 | 36509 | 2457 | - | 2436 | = | 21 | * | (64 | / | 209) | = | 6.430622 | ||
| 4 | 36512 | 2471 | - | 2485 | = | -14 | * | (58 | / | 209) | = | -3.88516745 | ||
| 5 | 36514 | 2497 | - | 2528 | = | -31 | * | (87 | / | 209) | = | -12.9043062 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mill Elementary | -10 | ||||||||||||
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 | 36496 | 2446 | - | 2436 | = | 10 | * | (84 | / | 209) | = | 4.01913875 | ||
| 4 | 36498 | 2484 | - | 2485 | = | -1 | * | (66 | / | 209) | = | -0.31578947 | ||
| 5 | 36500 | 2515 | - | 2528 | = | -13 | * | (59 | / | 209) | = | -3.66985645 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mill Elementary | 0 | ||||||||||||
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 | 36658 | 2446 | - | 2436 | = | 10 | * | (80 | / | 233) | = | 3.43347639 | ||
| 4 | 36659 | 2469 | - | 2485 | = | -16 | * | (87 | / | 233) | = | -5.97424891 | ||
| 5 | 36660 | 2506 | - | 2528 | = | -22 | * | (66 | / | 233) | = | -6.23175964 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mill Elementary | -9 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -29 | -1 | -10 | 0 | -9 | -49.0 | -9.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.25
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 | 71% | 69% | 71% | 66% | 69% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
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.
Mill Elementary math proficiency
Zero+ meets standard.
55% less $meal
55% less $meal
57% less $meal
57% 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.