Southgate Elementary (Data source)
Source data for Southgate 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 | 50298 | 2440 | - | 2436 | = | 4 | * | (81 | / | 348) | = | 0.93103448 | ||
| 4 | 50299 | 2446 | - | 2485 | = | -39 | * | (98 | / | 348) | = | -10.98275861 | ||
| 5 | 50302 | 2468 | - | 2528 | = | -60 | * | (85 | / | 348) | = | -14.65517238 | ||
| 6 | 50303 | 2524 | - | 2552 | = | -28 | * | (84 | / | 348) | = | -6.75862068 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Southgate Elementary | -31 | ||||||||||||
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 | 1346 | 2461 | - | 2436 | = | 25 | * | (81 | / | 358) | = | 5.65642458 | ||
| 4 | 1348 | 2467 | - | 2485 | = | -18 | * | (90 | / | 358) | = | -4.52513966 | ||
| 5 | 1349 | 2493 | - | 2528 | = | -35 | * | (97 | / | 358) | = | -9.4832402 | ||
| 6 | 1352 | 2516 | - | 2552 | = | -36 | * | (90 | / | 358) | = | -9.05027933 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Southgate Elementary | -17 | ||||||||||||
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 | 1384 | 2470 | - | 2436 | = | 34 | * | (100 | / | 369) | = | 9.21409214 | ||
| 4 | 1386 | 2481 | - | 2485 | = | -4 | * | (85 | / | 369) | = | -0.92140921 | ||
| 5 | 1387 | 2495 | - | 2528 | = | -33 | * | (84 | / | 369) | = | -7.51219511 | ||
| 6 | 1390 | 2551 | - | 2552 | = | -1 | * | (100 | / | 369) | = | -0.27100271 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Southgate Elementary | 1 | ||||||||||||
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 | 1414 | 2479 | - | 2436 | = | 43 | * | (78 | / | 352) | = | 9.52840909 | ||
| 4 | 1416 | 2482 | - | 2485 | = | -3 | * | (102 | / | 352) | = | -0.86931818 | ||
| 5 | 1418 | 2526 | - | 2528 | = | -2 | * | (84 | / | 352) | = | -0.47727273 | ||
| 6 | 1420 | 2551 | - | 2552 | = | -1 | * | (88 | / | 352) | = | -0.25 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Southgate Elementary | 8 | ||||||||||||
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 | 1440 | 2463 | - | 2436 | = | 27 | * | (97 | / | 368) | = | 7.11684781 | ||
| 4 | 1441 | 2499 | - | 2485 | = | 14 | * | (92 | / | 368) | = | 3.5 | ||
| 5 | 1442 | 2527 | - | 2528 | = | -1 | * | (99 | / | 368) | = | -0.26902174 | ||
| 6 | 1443 | 2562 | - | 2552 | = | 10 | * | (80 | / | 368) | = | 2.17391304 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Southgate Elementary | 13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -31 | -17 | 1 | 8 | 13 | -26.0 | -5.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 48.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -59.2
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 | 59% | 59% | 53% | 60% | 65% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hayward Unified school district | County of Alameda
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.
Southgate Elementary math proficiency
Zero+ meets standard.
50% less $meal
50% less $meal
43% less $meal
51% less $meal
54% 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.