Granada Elementary (Data source)
Source data for Granada 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 | 1211492 | 2421 | - | 2436 | = | -15 | * | (62 | / | 341) | = | -2.72727272 | ||
4 | 1211495 | 2440 | - | 2485 | = | -45 | * | (56 | / | 341) | = | -7.39002929 | ||
5 | 1211496 | 2468 | - | 2528 | = | -60 | * | (55 | / | 341) | = | -9.67741932 | ||
6 | 1211499 | 2484 | - | 2552 | = | -68 | * | (47 | / | 341) | = | -9.37243402 | ||
7 | 1211500 | 2523 | - | 2567 | = | -44 | * | (57 | / | 341) | = | -7.3548387 | ||
8 | 1211503 | 2590 | - | 2586 | = | 4 | * | (64 | / | 341) | = | 0.75073314 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Granada Elementary | -36 |
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 | 37654 | 2404 | - | 2436 | = | -32 | * | (58 | / | 328) | = | -5.65853658 | ||
4 | 37656 | 2447 | - | 2485 | = | -38 | * | (61 | / | 328) | = | -7.06707314 | ||
5 | 37658 | 2490 | - | 2528 | = | -38 | * | (56 | / | 328) | = | -6.48780487 | ||
6 | 37660 | 2496 | - | 2552 | = | -56 | * | (55 | / | 328) | = | -9.39024386 | ||
7 | 37661 | 2510 | - | 2567 | = | -57 | * | (44 | / | 328) | = | -7.64634144 | ||
8 | 37663 | 2527 | - | 2586 | = | -59 | * | (54 | / | 328) | = | -9.71341461 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Granada Elementary | -46 |
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 | 38510 | 2434 | - | 2436 | = | -2 | * | (44 | / | 307) | = | -0.28664495 | ||
4 | 38512 | 2445 | - | 2485 | = | -40 | * | (54 | / | 307) | = | -7.0358306 | ||
5 | 38514 | 2488 | - | 2528 | = | -40 | * | (55 | / | 307) | = | -7.16612376 | ||
6 | 38516 | 2478 | - | 2552 | = | -74 | * | (58 | / | 307) | = | -13.98045599 | ||
7 | 38518 | 2525 | - | 2567 | = | -42 | * | (53 | / | 307) | = | -7.25081431 | ||
8 | 38520 | 2531 | - | 2586 | = | -55 | * | (43 | / | 307) | = | -7.70358303 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Granada Elementary | -43 |
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 | 38484 | 2430 | - | 2436 | = | -6 | * | (41 | / | 293) | = | -0.83959044 | ||
4 | 38487 | 2445 | - | 2485 | = | -40 | * | (46 | / | 293) | = | -6.27986348 | ||
5 | 38488 | 2488 | - | 2528 | = | -40 | * | (52 | / | 293) | = | -7.09897608 | ||
6 | 38491 | 2495 | - | 2552 | = | -57 | * | (54 | / | 293) | = | -10.50511944 | ||
7 | 38492 | 2480 | - | 2567 | = | -87 | * | (58 | / | 293) | = | -17.22184297 | ||
8 | 38495 | 2548 | - | 2586 | = | -38 | * | (42 | / | 293) | = | -5.44709894 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Granada 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 | 38685 | 2407 | - | 2436 | = | -29 | * | (50 | / | 313) | = | -4.63258783 | ||
4 | 38686 | 2474 | - | 2485 | = | -11 | * | (41 | / | 313) | = | -1.44089457 | ||
5 | 38687 | 2479 | - | 2528 | = | -49 | * | (54 | / | 313) | = | -8.45367409 | ||
6 | 38688 | 2500 | - | 2552 | = | -52 | * | (57 | / | 313) | = | -9.46964855 | ||
7 | 38689 | 2559 | - | 2567 | = | -8 | * | (56 | / | 313) | = | -1.4313099 | ||
8 | 38690 | 2494 | - | 2586 | = | -92 | * | (55 | / | 313) | = | -16.16613411 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Granada Elementary | -42 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-36 | -46 | -43 | -47 | -42 | -214.0 | -42.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -30.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -54.8
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% | 73% | 71% | 71% | 71% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alhambra 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.
Granada Elementary math proficiency
Zero+ meets standard.
58% less $meal
61% less $meal
56% less $meal
62% less $meal
61% 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.