Wallen L. Andrews Elementary (Data source)
Source data for Wallen L. Andrews 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 | 1150429 | 2421 | - | 2436 | = | -15 | * | (57 | / | 311) | = | -2.74919613 | ||
| 4 | 1150432 | 2463 | - | 2485 | = | -22 | * | (88 | / | 311) | = | -6.22508038 | ||
| 5 | 1150433 | 2485 | - | 2528 | = | -43 | * | (68 | / | 311) | = | -9.40192923 | ||
| 6 | 1150436 | 2503 | - | 2552 | = | -49 | * | (66 | / | 311) | = | -10.3987138 | ||
| 7 | 1150437 | 2510 | - | 2567 | = | -57 | * | (32 | / | 311) | = | -5.86495173 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wallen L. Andrews Elementary | -35 | ||||||||||||
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 | 35801 | 2466 | - | 2436 | = | 30 | * | (65 | / | 379) | = | 5.14511871 | ||
| 4 | 35804 | 2475 | - | 2485 | = | -10 | * | (67 | / | 379) | = | -1.76781002 | ||
| 5 | 35805 | 2493 | - | 2528 | = | -35 | * | (92 | / | 379) | = | -8.49604221 | ||
| 6 | 35808 | 2503 | - | 2552 | = | -49 | * | (69 | / | 379) | = | -8.9208443 | ||
| 7 | 35809 | 2540 | - | 2567 | = | -27 | * | (50 | / | 379) | = | -3.56200527 | ||
| 8 | 35811 | 2555 | - | 2586 | = | -31 | * | (36 | / | 379) | = | -2.94459102 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wallen L. Andrews Elementary | -21 | ||||||||||||
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 | 36518 | 2469 | - | 2436 | = | 33 | * | (79 | / | 420) | = | 6.20714285 | ||
| 4 | 36519 | 2491 | - | 2485 | = | 6 | * | (67 | / | 420) | = | 0.95714285 | ||
| 5 | 36521 | 2504 | - | 2528 | = | -24 | * | (67 | / | 420) | = | -3.82857142 | ||
| 6 | 36524 | 2487 | - | 2552 | = | -65 | * | (95 | / | 420) | = | -14.70238094 | ||
| 7 | 36525 | 2521 | - | 2567 | = | -46 | * | (65 | / | 420) | = | -7.11904758 | ||
| 8 | 36528 | 2548 | - | 2586 | = | -38 | * | (47 | / | 420) | = | -4.25238092 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wallen L. Andrews Elementary | -23 | ||||||||||||
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 | 36503 | 2488 | - | 2436 | = | 52 | * | (82 | / | 445) | = | 9.58202242 | ||
| 4 | 36505 | 2474 | - | 2485 | = | -11 | * | (80 | / | 445) | = | -1.97752808 | ||
| 5 | 36507 | 2527 | - | 2528 | = | -1 | * | (66 | / | 445) | = | -0.14831461 | ||
| 6 | 36509 | 2525 | - | 2552 | = | -27 | * | (78 | / | 445) | = | -4.73258425 | ||
| 7 | 36511 | 2501 | - | 2567 | = | -66 | * | (78 | / | 445) | = | -11.56853927 | ||
| 8 | 36513 | 2534 | - | 2586 | = | -52 | * | (61 | / | 445) | = | -7.12808985 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wallen L. Andrews Elementary | -16 | ||||||||||||
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 | 36669 | 2458 | - | 2436 | = | 22 | * | (58 | / | 428) | = | 2.9813084 | ||
| 4 | 36670 | 2499 | - | 2485 | = | 14 | * | (74 | / | 428) | = | 2.42056074 | ||
| 5 | 36671 | 2519 | - | 2528 | = | -9 | * | (82 | / | 428) | = | -1.72429907 | ||
| 6 | 36672 | 2534 | - | 2552 | = | -18 | * | (61 | / | 428) | = | -2.56542055 | ||
| 7 | 36673 | 2555 | - | 2567 | = | -12 | * | (76 | / | 428) | = | -2.13084112 | ||
| 8 | 36674 | 2532 | - | 2586 | = | -54 | * | (77 | / | 428) | = | -9.71495327 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wallen L. Andrews Elementary | -11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -35 | -21 | -23 | -16 | -11 | -106.0 | -21.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.2
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 | 70% | 67% | 65% | 58% | 66% |
| 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.
Wallen L. Andrews Elementary math proficiency
Zero+ meets standard.
56% less $meal
54% less $meal
52% less $meal
49% less $meal
55% 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.