Parkview Elementary (Data source)
Source data for Parkview 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 | 1042631 | 2387 | - | 2436 | = | -49 | * | (139 | / | 469) | = | -14.52238803 | ||
| 4 | 1042632 | 2411 | - | 2485 | = | -74 | * | (129 | / | 469) | = | -20.3539445 | ||
| 5 | 1042635 | 2439 | - | 2528 | = | -89 | * | (100 | / | 469) | = | -18.97654582 | ||
| 6 | 1042636 | 2440 | - | 2552 | = | -112 | * | (101 | / | 469) | = | -24.11940294 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Parkview Elementary | -78 | ||||||||||||
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 | 32751 | 2393 | - | 2436 | = | -43 | * | (109 | / | 464) | = | -10.1012931 | ||
| 4 | 32752 | 2422 | - | 2485 | = | -63 | * | (134 | / | 464) | = | -18.19396549 | ||
| 5 | 32754 | 2440 | - | 2528 | = | -88 | * | (126 | / | 464) | = | -23.89655171 | ||
| 6 | 32757 | 2483 | - | 2552 | = | -69 | * | (95 | / | 464) | = | -14.12715515 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Parkview Elementary | -66 | ||||||||||||
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 | 33328 | 2386 | - | 2436 | = | -50 | * | (102 | / | 463) | = | -11.01511875 | ||
| 4 | 33330 | 2419 | - | 2485 | = | -66 | * | (108 | / | 463) | = | -15.39524837 | ||
| 5 | 33333 | 2413 | - | 2528 | = | -115 | * | (129 | / | 463) | = | -32.04103665 | ||
| 6 | 33334 | 2467 | - | 2552 | = | -85 | * | (124 | / | 463) | = | -22.76457879 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Parkview Elementary | -81 | ||||||||||||
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 | 33348 | 2386 | - | 2436 | = | -50 | * | (107 | / | 433) | = | -12.35565815 | ||
| 4 | 33351 | 2438 | - | 2485 | = | -47 | * | (98 | / | 433) | = | -10.63741337 | ||
| 5 | 33352 | 2432 | - | 2528 | = | -96 | * | (106 | / | 433) | = | -23.50115472 | ||
| 6 | 33355 | 2473 | - | 2552 | = | -79 | * | (122 | / | 433) | = | -22.25866048 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Parkview Elementary | -69 | ||||||||||||
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 | 33521 | 2405 | - | 2436 | = | -31 | * | (117 | / | 400) | = | -9.0675 | ||
| 4 | 33522 | 2428 | - | 2485 | = | -57 | * | (98 | / | 400) | = | -13.965 | ||
| 5 | 33523 | 2475 | - | 2528 | = | -53 | * | (88 | / | 400) | = | -11.66 | ||
| 6 | 33524 | 2497 | - | 2552 | = | -55 | * | (97 | / | 400) | = | -13.3375 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Parkview Elementary | -48 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -78 | -66 | -81 | -69 | -48 | -342.0 | -68.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.4
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 | 89% | 88% | 91% | 88% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Mountain View 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.
Parkview Elementary math proficiency
Zero+ meets standard.
82% less $meal
82% less $meal
83% less $meal
86% less $meal
87% 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.