Moffett Elementary (Data source)
Source data for Moffett 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 | 755633 | 2406 | - | 2436 | = | -30 | * | (124 | / | 367) | = | -10.13623977 | ||
| 4 | 755634 | 2442 | - | 2485 | = | -43 | * | (121 | / | 367) | = | -14.1771117 | ||
| 5 | 755637 | 2465 | - | 2528 | = | -63 | * | (122 | / | 367) | = | -20.94277928 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Moffett Elementary | -45 | ||||||||||||
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 | 23746 | 2425 | - | 2436 | = | -11 | * | (153 | / | 407) | = | -4.13513513 | ||
| 4 | 23748 | 2441 | - | 2485 | = | -44 | * | (129 | / | 407) | = | -13.9459459 | ||
| 5 | 23750 | 2466 | - | 2528 | = | -62 | * | (125 | / | 407) | = | -19.04176903 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Moffett 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 | 24241 | 2426 | - | 2436 | = | -10 | * | (120 | / | 395) | = | -3.03797468 | ||
| 4 | 24243 | 2453 | - | 2485 | = | -32 | * | (149 | / | 395) | = | -12.07088605 | ||
| 5 | 24246 | 2452 | - | 2528 | = | -76 | * | (126 | / | 395) | = | -24.24303792 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Moffett Elementary | -39 | ||||||||||||
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 | 24260 | 2441 | - | 2436 | = | 5 | * | (129 | / | 397) | = | 1.62468514 | ||
| 4 | 24263 | 2477 | - | 2485 | = | -8 | * | (122 | / | 397) | = | -2.45843828 | ||
| 5 | 24264 | 2478 | - | 2528 | = | -50 | * | (146 | / | 397) | = | -18.3879093 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Moffett Elementary | -19 | ||||||||||||
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 | 24434 | 2427 | - | 2436 | = | -9 | * | (123 | / | 366) | = | -3.02459016 | ||
| 4 | 24435 | 2487 | - | 2485 | = | 2 | * | (123 | / | 366) | = | 0.67213115 | ||
| 5 | 24436 | 2506 | - | 2528 | = | -22 | * | (120 | / | 366) | = | -7.21311474 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Moffett Elementary | -10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -45 | -37 | -39 | -19 | -10 | -150.0 | -30.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 12.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -72.0
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% | 94% | 93% | 94% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lennox 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.
Moffett Elementary math proficiency
Zero+ meets standard.
87% less $meal
85% less $meal
81% less $meal
85% less $meal
83% 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.
Elementary School (Public) schools in Lennox (5)
| Buford Elementary | Dolores Huerta Elementary | Felton Elementary |
| Jefferson Elementary | Moffett Elementary |