August Elementary (Data source)
Source data for August 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 | 2451855 | 2395 | - | 2436 | = | -41 | * | (66 | / | 423) | = | -6.39716309 | ||
| 4 | 2451856 | 2420 | - | 2485 | = | -65 | * | (68 | / | 423) | = | -10.44917257 | ||
| 5 | 2451859 | 2431 | - | 2528 | = | -97 | * | (93 | / | 423) | = | -21.32624113 | ||
| 6 | 2451860 | 2445 | - | 2552 | = | -107 | * | (70 | / | 423) | = | -17.70685573 | ||
| 7 | 2451863 | 2470 | - | 2567 | = | -97 | * | (66 | / | 423) | = | -15.1347517 | ||
| 8 | 2451864 | 2535 | - | 2586 | = | -51 | * | (60 | / | 423) | = | -7.23404252 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for August 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 | 74800 | 2395 | - | 2436 | = | -41 | * | (91 | / | 432) | = | -8.63657407 | ||
| 4 | 74801 | 2436 | - | 2485 | = | -49 | * | (64 | / | 432) | = | -7.25925925 | ||
| 5 | 74804 | 2422 | - | 2528 | = | -106 | * | (65 | / | 432) | = | -15.94907397 | ||
| 6 | 74806 | 2458 | - | 2552 | = | -94 | * | (90 | / | 432) | = | -19.5833333 | ||
| 7 | 74807 | 2468 | - | 2567 | = | -99 | * | (61 | / | 432) | = | -13.9791666 | ||
| 8 | 74809 | 2522 | - | 2586 | = | -64 | * | (61 | / | 432) | = | -9.03703699 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for August Elementary | -74 | ||||||||||||
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 | 76808 | 2426 | - | 2436 | = | -10 | * | (58 | / | 367) | = | -1.58038147 | ||
| 4 | 76811 | 2433 | - | 2485 | = | -52 | * | (73 | / | 367) | = | -10.34332421 | ||
| 5 | 76812 | 2441 | - | 2528 | = | -87 | * | (58 | / | 367) | = | -13.74931879 | ||
| 6 | 76815 | 2455 | - | 2552 | = | -97 | * | (65 | / | 367) | = | -17.17983645 | ||
| 7 | 76816 | 2475 | - | 2567 | = | -92 | * | (61 | / | 367) | = | -15.29155313 | ||
| 8 | 76818 | 2509 | - | 2586 | = | -77 | * | (52 | / | 367) | = | -10.91008172 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for August Elementary | -69 | ||||||||||||
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 | 76998 | 2410 | - | 2436 | = | -26 | * | (53 | / | 353) | = | -3.90368272 | ||
| 4 | 77000 | 2440 | - | 2485 | = | -45 | * | (62 | / | 353) | = | -7.90368269 | ||
| 5 | 77002 | 2442 | - | 2528 | = | -86 | * | (66 | / | 353) | = | -16.07932007 | ||
| 6 | 77004 | 2477 | - | 2552 | = | -75 | * | (54 | / | 353) | = | -11.4730878 | ||
| 7 | 77006 | 2482 | - | 2567 | = | -85 | * | (61 | / | 353) | = | -14.68838522 | ||
| 8 | 77008 | 2530 | - | 2586 | = | -56 | * | (57 | / | 353) | = | -9.04249287 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for August Elementary | -63 | ||||||||||||
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 | 77520 | 2429 | - | 2436 | = | -7 | * | (49 | / | 328) | = | -1.0457317 | ||
| 4 | 77521 | 2435 | - | 2485 | = | -50 | * | (58 | / | 328) | = | -8.8414634 | ||
| 5 | 77522 | 2461 | - | 2528 | = | -67 | * | (56 | / | 328) | = | -11.43902437 | ||
| 6 | 77523 | 2461 | - | 2552 | = | -91 | * | (62 | / | 328) | = | -17.20121949 | ||
| 7 | 77524 | 2534 | - | 2567 | = | -33 | * | (47 | / | 328) | = | -4.72865851 | ||
| 8 | 77525 | 2540 | - | 2586 | = | -46 | * | (56 | / | 328) | = | -7.85365852 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for August Elementary | -51 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -78 | -74 | -69 | -63 | -51 | -335.0 | -67.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -97.0
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 | 89% | 93% | 89% | 91% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Stockton Unified school district | County of San Joaquin
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.
August Elementary math proficiency
Zero+ meets standard.
86% less $meal
85% less $meal
84% less $meal
88% less $meal
84% 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.