Shirakawa (George, Sr.) Elementary (Data source)
Source data for Shirakawa (George, Sr.) 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 | 2659534 | 2434 | - | 2436 | = | -2 | * | (113 | / | 616) | = | -0.36688312 | ||
| 4 | 2659537 | 2479 | - | 2485 | = | -6 | * | (100 | / | 616) | = | -0.97402597 | ||
| 5 | 2659538 | 2498 | - | 2528 | = | -30 | * | (119 | / | 616) | = | -5.79545454 | ||
| 6 | 2659541 | 2530 | - | 2552 | = | -22 | * | (101 | / | 616) | = | -3.60714284 | ||
| 7 | 2659542 | 2581 | - | 2567 | = | 14 | * | (97 | / | 616) | = | 2.20454545 | ||
| 8 | 2659545 | 2545 | - | 2586 | = | -41 | * | (86 | / | 616) | = | -5.72402595 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Shirakawa (George, Sr.) Elementary | -14 | ||||||||||||
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 | 81070 | 2471 | - | 2436 | = | 35 | * | (82 | / | 604) | = | 4.75165562 | ||
| 4 | 81073 | 2475 | - | 2485 | = | -10 | * | (114 | / | 604) | = | -1.88741721 | ||
| 5 | 81075 | 2478 | - | 2528 | = | -50 | * | (92 | / | 604) | = | -7.615894 | ||
| 6 | 81077 | 2546 | - | 2552 | = | -6 | * | (121 | / | 604) | = | -1.20198675 | ||
| 7 | 81078 | 2568 | - | 2567 | = | 1 | * | (98 | / | 604) | = | 0.16225166 | ||
| 8 | 81081 | 2627 | - | 2586 | = | 41 | * | (97 | / | 604) | = | 6.58443707 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Shirakawa (George, Sr.) Elementary | 1 | ||||||||||||
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 | 83304 | 2457 | - | 2436 | = | 21 | * | (96 | / | 597) | = | 3.37688442 | ||
| 4 | 83306 | 2493 | - | 2485 | = | 8 | * | (88 | / | 597) | = | 1.17922948 | ||
| 5 | 83308 | 2484 | - | 2528 | = | -44 | * | (119 | / | 597) | = | -8.77051925 | ||
| 6 | 83310 | 2527 | - | 2552 | = | -25 | * | (97 | / | 597) | = | -4.06197653 | ||
| 7 | 83312 | 2555 | - | 2567 | = | -12 | * | (98 | / | 597) | = | -1.96984924 | ||
| 8 | 83315 | 2615 | - | 2586 | = | 29 | * | (99 | / | 597) | = | 4.80904521 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Shirakawa (George, Sr.) Elementary | -5 | ||||||||||||
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 | 83533 | 2465 | - | 2436 | = | 29 | * | (83 | / | 586) | = | 4.10750853 | ||
| 4 | 83535 | 2497 | - | 2485 | = | 12 | * | (94 | / | 586) | = | 1.92491467 | ||
| 5 | 83537 | 2500 | - | 2528 | = | -28 | * | (90 | / | 586) | = | -4.30034128 | ||
| 6 | 83539 | 2482 | - | 2552 | = | -70 | * | (117 | / | 586) | = | -13.97610921 | ||
| 7 | 83541 | 2557 | - | 2567 | = | -10 | * | (96 | / | 586) | = | -1.63822525 | ||
| 8 | 83543 | 2577 | - | 2586 | = | -9 | * | (106 | / | 586) | = | -1.62798635 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Shirakawa (George, Sr.) 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 | 84149 | 2458 | - | 2436 | = | 22 | * | (74 | / | 540) | = | 3.01481481 | ||
| 4 | 84150 | 2495 | - | 2485 | = | 10 | * | (88 | / | 540) | = | 1.62962962 | ||
| 5 | 84151 | 2506 | - | 2528 | = | -22 | * | (97 | / | 540) | = | -3.95185184 | ||
| 6 | 84152 | 2508 | - | 2552 | = | -44 | * | (90 | / | 540) | = | -7.3333333 | ||
| 7 | 84153 | 2511 | - | 2567 | = | -56 | * | (94 | / | 540) | = | -9.74814814 | ||
| 8 | 84154 | 2585 | - | 2586 | = | -1 | * | (97 | / | 540) | = | -0.17962963 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Shirakawa (George, Sr.) Elementary | -17 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -14 | 1 | -5 | -16 | -17 | -51.0 | -10.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -31.2
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 | 69% | 69% | 66% | 64% | 68% |
| 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.
Shirakawa (George, Sr.) Elementary math proficiency
Zero+ meets standard.
56% less $meal
55% less $meal
53% less $meal
55% less $meal
60% 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.