Redwood Middle (Data source)
Source data for Redwood 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 | 2726764 | 2641 | - | 2552 | = | 89 | * | (275 | / | 891) | = | 27.46913578 | ||
| 7 | 2726767 | 2678 | - | 2567 | = | 111 | * | (318 | / | 891) | = | 39.61616152 | ||
| 8 | 2726768 | 2707 | - | 2586 | = | 121 | * | (298 | / | 891) | = | 40.46913571 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Redwood Middle | 108 | ||||||||||||
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 | 82941 | 2662 | - | 2552 | = | 110 | * | (276 | / | 892) | = | 34.0358744 | ||
| 7 | 82943 | 2670 | - | 2567 | = | 103 | * | (290 | / | 892) | = | 33.48654702 | ||
| 8 | 82945 | 2713 | - | 2586 | = | 127 | * | (326 | / | 892) | = | 46.4147982 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Redwood Middle | 114 | ||||||||||||
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 | 85255 | 2661 | - | 2552 | = | 109 | * | (260 | / | 839) | = | 33.77830746 | ||
| 7 | 85256 | 2691 | - | 2567 | = | 124 | * | (283 | / | 839) | = | 41.82598331 | ||
| 8 | 85259 | 2715 | - | 2586 | = | 129 | * | (296 | / | 839) | = | 45.51132294 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Redwood Middle | 121 | ||||||||||||
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 | 85473 | 2657 | - | 2552 | = | 105 | * | (238 | / | 811) | = | 30.81381009 | ||
| 7 | 85474 | 2686 | - | 2567 | = | 119 | * | (273 | / | 811) | = | 40.05795303 | ||
| 8 | 85477 | 2725 | - | 2586 | = | 139 | * | (300 | / | 811) | = | 51.41800235 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Redwood Middle | 122 | ||||||||||||
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 | 86064 | 2662 | - | 2552 | = | 110 | * | (228 | / | 753) | = | 33.30677284 | ||
| 7 | 86065 | 2684 | - | 2567 | = | 117 | * | (245 | / | 753) | = | 38.06772899 | ||
| 8 | 86066 | 2705 | - | 2586 | = | 119 | * | (280 | / | 753) | = | 44.24966793 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Redwood Middle | 116 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 108 | 114 | 121 | 122 | 116 | 581.0 | 116.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 131.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 101.2
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 | 1% | 1% | 1% | 2% | 3% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saratoga Union 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.
Redwood Middle math proficiency
Zero+ meets standard.
1% less $meal
1% less $meal
1% less $meal
2% less $meal
3% 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 Saratoga Union Elementary (1)
| Redwood Middle |