Barbara Spratling Middle (Data source)
Source data for Barbara Spratling Middle
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 |
||
| 6 | 2935440 | 2460 | - | 2552 | = | -92 | * | (86 | / | 213) | = | -37.14553986 | ||
| 7 | 2935441 | 2468 | - | 2567 | = | -99 | * | (67 | / | 213) | = | -31.14084501 | ||
| 8 | 2935444 | 2476 | - | 2586 | = | -110 | * | (60 | / | 213) | = | -30.9859154 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Barbara Spratling Middle | -99 | ||||||||||||
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 |
||
| 6 | 89864 | 2506 | - | 2552 | = | -46 | * | (80 | / | 237) | = | -15.52742613 | ||
| 7 | 89866 | 2491 | - | 2567 | = | -76 | * | (86 | / | 237) | = | -27.57805905 | ||
| 8 | 89868 | 2473 | - | 2586 | = | -113 | * | (71 | / | 237) | = | -33.85232067 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Barbara Spratling Middle | -77 | ||||||||||||
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 |
||
| 6 | 92487 | 2498 | - | 2552 | = | -54 | * | (81 | / | 236) | = | -18.53389825 | ||
| 7 | 92490 | 2505 | - | 2567 | = | -62 | * | (74 | / | 236) | = | -19.44067796 | ||
| 8 | 92491 | 2484 | - | 2586 | = | -102 | * | (81 | / | 236) | = | -35.00847448 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Barbara Spratling Middle | -73 | ||||||||||||
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 |
||
| 6 | 92686 | 2509 | - | 2552 | = | -43 | * | (73 | / | 230) | = | -13.64782607 | ||
| 7 | 92688 | 2523 | - | 2567 | = | -44 | * | (84 | / | 230) | = | -16.0695652 | ||
| 8 | 92690 | 2521 | - | 2586 | = | -65 | * | (73 | / | 230) | = | -20.63043476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Barbara Spratling Middle | -50 | ||||||||||||
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 |
||
| 6 | 93321 | 2492 | - | 2552 | = | -60 | * | (78 | / | 237) | = | -19.74683544 | ||
| 7 | 93322 | 2526 | - | 2567 | = | -41 | * | (72 | / | 237) | = | -12.45569619 | ||
| 8 | 93323 | 2529 | - | 2586 | = | -57 | * | (87 | / | 237) | = | -20.9240506 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Barbara Spratling Middle | -53 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -99 | -77 | -73 | -50 | -53 | -352.0 | -70.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -127.4
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 | 91% | 88% | 87% | 99% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Keyes Union school district | County of Stanislaus
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.
Barbara Spratling Middle math proficiency
Zero+ meets standard.
75% less $meal
72% less $meal
71% less $meal
88% less $meal
76% 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.
Intermediate/Middle Schools (Public) schools in Keyes Union (1)
| Barbara Spratling Middle |