Windmill Springs Elementary (Data source)
Source data for Windmill Springs 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 | 2658700 | 2419 | - | 2436 | = | -17 | * | (58 | / | 390) | = | -2.52820512 | ||
| 4 | 2658703 | 2474 | - | 2485 | = | -11 | * | (61 | / | 390) | = | -1.72051282 | ||
| 5 | 2658704 | 2473 | - | 2528 | = | -55 | * | (68 | / | 390) | = | -9.58974357 | ||
| 6 | 2658707 | 2521 | - | 2552 | = | -31 | * | (64 | / | 390) | = | -5.08717948 | ||
| 7 | 2658708 | 2536 | - | 2567 | = | -31 | * | (52 | / | 390) | = | -4.13333332 | ||
| 8 | 2658711 | 2539 | - | 2586 | = | -47 | * | (87 | / | 390) | = | -10.48461538 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Windmill Springs Elementary | -34 | ||||||||||||
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 | 81047 | 2427 | - | 2436 | = | -9 | * | (48 | / | 334) | = | -1.29341317 | ||
| 4 | 81048 | 2489 | - | 2485 | = | 4 | * | (60 | / | 334) | = | 0.71856287 | ||
| 5 | 81051 | 2498 | - | 2528 | = | -30 | * | (63 | / | 334) | = | -5.65868262 | ||
| 6 | 81053 | 2543 | - | 2552 | = | -9 | * | (64 | / | 334) | = | -1.72455089 | ||
| 7 | 81054 | 2556 | - | 2567 | = | -11 | * | (56 | / | 334) | = | -1.84431137 | ||
| 8 | 81057 | 2552 | - | 2586 | = | -34 | * | (43 | / | 334) | = | -4.37724548 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Windmill Springs Elementary | -14 | ||||||||||||
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 | 83281 | 2437 | - | 2436 | = | 1 | * | (46 | / | 313) | = | 0.14696486 | ||
| 4 | 83282 | 2475 | - | 2485 | = | -10 | * | (54 | / | 313) | = | -1.72523961 | ||
| 5 | 83284 | 2495 | - | 2528 | = | -33 | * | (60 | / | 313) | = | -6.32587857 | ||
| 6 | 83287 | 2560 | - | 2552 | = | 8 | * | (65 | / | 313) | = | 1.66134185 | ||
| 7 | 83289 | 2574 | - | 2567 | = | 7 | * | (33 | / | 313) | = | 0.73801916 | ||
| 8 | 83291 | 2595 | - | 2586 | = | 9 | * | (55 | / | 313) | = | 1.58146964 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Windmill Springs Elementary | -4 | ||||||||||||
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 | 83508 | 2455 | - | 2436 | = | 19 | * | (32 | / | 273) | = | 2.22710622 | ||
| 4 | 83510 | 2469 | - | 2485 | = | -16 | * | (51 | / | 273) | = | -2.98901098 | ||
| 5 | 83512 | 2479 | - | 2528 | = | -49 | * | (59 | / | 273) | = | -10.58974358 | ||
| 6 | 83514 | 2536 | - | 2552 | = | -16 | * | (54 | / | 273) | = | -3.16483515 | ||
| 7 | 83516 | 2557 | - | 2567 | = | -10 | * | (44 | / | 273) | = | -1.61172161 | ||
| 8 | 83518 | 2584 | - | 2586 | = | -2 | * | (33 | / | 273) | = | -0.24175824 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Windmill Springs 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 | 84125 | 2408 | - | 2436 | = | -28 | * | (49 | / | 305) | = | -4.49836064 | ||
| 4 | 84126 | 2457 | - | 2485 | = | -28 | * | (32 | / | 305) | = | -2.9377049 | ||
| 5 | 84127 | 2478 | - | 2528 | = | -50 | * | (58 | / | 305) | = | -9.5081967 | ||
| 6 | 84128 | 2524 | - | 2552 | = | -28 | * | (66 | / | 305) | = | -6.05901638 | ||
| 7 | 84129 | 2526 | - | 2567 | = | -41 | * | (52 | / | 305) | = | -6.99016392 | ||
| 8 | 84130 | 2563 | - | 2586 | = | -23 | * | (48 | / | 305) | = | -3.61967213 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Windmill Springs Elementary | -34 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -34 | -14 | -4 | -16 | -34 | -102.0 | -20.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 18.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -59.4
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 | 66% | 61% | 65% | 65% | 62% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Franklin-McKinley Elementary school district | County of Santa Clara
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.
Windmill Springs Elementary math proficiency
Zero+ meets standard.
55% less $meal
53% less $meal
50% less $meal
57% 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.