Scott Valley Junior High (Data source)
Source data for Scott Valley Junior High
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 | 2813616 | 2535 | - | 2552 | = | -17 | * | (48 | / | 145) | = | -5.62758619 | ||
| 7 | 2813619 | 2528 | - | 2567 | = | -39 | * | (49 | / | 145) | = | -13.17931033 | ||
| 8 | 2813620 | 2548 | - | 2586 | = | -38 | * | (48 | / | 145) | = | -12.57931032 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Scott Valley Junior High | -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 |
||
| 6 | 86144 | 2565 | - | 2552 | = | 13 | * | (43 | / | 137) | = | 4.08029197 | ||
| 7 | 86146 | 2556 | - | 2567 | = | -11 | * | (46 | / | 137) | = | -3.69343065 | ||
| 8 | 86148 | 2536 | - | 2586 | = | -50 | * | (48 | / | 137) | = | -17.51824815 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Scott Valley Junior High | -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 |
||
| 6 | 88491 | 2508 | - | 2552 | = | -44 | * | (60 | / | 147) | = | -17.95918366 | ||
| 7 | 88493 | 2553 | - | 2567 | = | -14 | * | (41 | / | 147) | = | -3.9047619 | ||
| 8 | 88494 | 2584 | - | 2586 | = | -2 | * | (46 | / | 147) | = | -0.62585034 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Scott Valley Junior High | -22 | ||||||||||||
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 | 88717 | 2556 | - | 2552 | = | 4 | * | (43 | / | 136) | = | 1.26470588 | ||
| 7 | 88720 | 2537 | - | 2567 | = | -30 | * | (51 | / | 136) | = | -11.25 | ||
| 8 | 88721 | 2547 | - | 2586 | = | -39 | * | (42 | / | 136) | = | -12.04411763 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Scott Valley Junior High | -22 | ||||||||||||
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 | 89346 | 2549 | - | 2552 | = | -3 | * | (47 | / | 141) | = | -1.0 | ||
| 7 | 89347 | 2554 | - | 2567 | = | -13 | * | (42 | / | 141) | = | -3.87234042 | ||
| 8 | 89348 | 2507 | - | 2586 | = | -79 | * | (52 | / | 141) | = | -29.13475175 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Scott Valley Junior High | -34 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -31 | -17 | -22 | -22 | -34 | -126.0 | -25.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -4.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -46.2
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 | 60% | 61% | 55% | 62% | 61% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Scott Valley Unified school district | County of Siskiyou
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.
Scott Valley Junior High math proficiency
Zero+ meets standard.
47% less $meal
48% less $meal
41% less $meal
57% less $meal
52% 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.
Junior High Schools (Public) schools in Scott Valley Unified (1)
| Scott Valley Junior High |