Chester Junior/Senior High (Data source)
Source data for Chester Junior/Senior 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 |
||
| 7 | 1633353 | 2519 | - | 2567 | = | -48 | * | (18 | / | 67) | = | -12.89552237 | ||
| 8 | 1633356 | 2536 | - | 2586 | = | -50 | * | (23 | / | 67) | = | -17.1641791 | ||
| 11 | 1633357 | 2563 | - | 2628 | = | -65 | * | (26 | / | 67) | = | -25.22388057 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chester Junior/Senior High | -55 | ||||||||||||
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 |
||
| 7 | 51069 | 2508 | - | 2567 | = | -59 | * | (25 | / | 66) | = | -22.3484848 | ||
| 8 | 51070 | 2532 | - | 2586 | = | -54 | * | (16 | / | 66) | = | -13.09090907 | ||
| 11 | 51072 | 2622 | - | 2628 | = | -6 | * | (25 | / | 66) | = | -2.27272727 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chester Junior/Senior High | -38 | ||||||||||||
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 |
||
| 7 | 52525 | 2519 | - | 2567 | = | -48 | * | (23 | / | 75) | = | -14.71999997 | ||
| 8 | 52526 | 2494 | - | 2586 | = | -92 | * | (29 | / | 75) | = | -35.57333327 | ||
| 11 | 52529 | 2606 | - | 2628 | = | -22 | * | (23 | / | 75) | = | -6.74666665 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chester Junior/Senior High | -57 | ||||||||||||
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 |
||
| 7 | 52597 | 2539 | - | 2567 | = | -28 | * | (30 | / | 77) | = | -10.90909089 | ||
| 8 | 52598 | 2494 | - | 2586 | = | -92 | * | (22 | / | 77) | = | -26.28571422 | ||
| 11 | 52601 | 2601 | - | 2628 | = | -27 | * | (25 | / | 77) | = | -8.76623375 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chester Junior/Senior High | -46 | ||||||||||||
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 |
||
| 7 | 52777 | 2497 | - | 2567 | = | -70 | * | (23 | / | 76) | = | -21.18421046 | ||
| 8 | 52778 | 2518 | - | 2586 | = | -68 | * | (32 | / | 76) | = | -28.63157891 | ||
| 11 | 52779 | 2550 | - | 2628 | = | -78 | * | (21 | / | 76) | = | -21.55263154 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chester Junior/Senior High | -71 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -55 | -38 | -57 | -46 | -71 | -267.0 | -53.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.4
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 | 36% | 42% | 40% | 51% | 44% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Plumas Unified school district | County of Plumas
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.
Chester Junior/Senior High math proficiency
Zero+ meets standard.
24% less $meal
30% less $meal
30% less $meal
49% less $meal
40% 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.
High Schools (Public) schools in Plumas Unified (4)
| Chester Junior/Senior High | Greenville Junior/Senior High | Portola Junior/Senior High |
| Quincy Junior/Senior High |