Chester Elementary (Data source)
Source data for Chester 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 | 1634188 | 2442 | - | 2436 | = | 6 | * | (28 | / | 123) | = | 1.36585366 | ||
4 | 1634189 | 2459 | - | 2485 | = | -26 | * | (32 | / | 123) | = | -6.76422763 | ||
5 | 1634192 | 2473 | - | 2528 | = | -55 | * | (27 | / | 123) | = | -12.07317073 | ||
6 | 1634194 | 2495 | - | 2552 | = | -57 | * | (36 | / | 123) | = | -16.68292678 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chester Elementary | -34 |
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 | 51101 | 2429 | - | 2436 | = | -7 | * | (24 | / | 100) | = | -1.68 | ||
4 | 51102 | 2484 | - | 2485 | = | -1 | * | (23 | / | 100) | = | -0.23 | ||
5 | 51104 | 2519 | - | 2528 | = | -9 | * | (26 | / | 100) | = | -2.34 | ||
6 | 51106 | 2508 | - | 2552 | = | -44 | * | (27 | / | 100) | = | -11.88 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chester Elementary | -16 |
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 | 52556 | 2401 | - | 2436 | = | -35 | * | (35 | / | 108) | = | -11.34259259 | ||
4 | 52559 | 2452 | - | 2485 | = | -33 | * | (24 | / | 108) | = | -7.33333333 | ||
5 | 52560 | 2529 | - | 2528 | = | 1 | * | (20 | / | 108) | = | 0.18518519 | ||
6 | 52562 | 2515 | - | 2552 | = | -37 | * | (29 | / | 108) | = | -9.93518517 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chester Elementary | -28 |
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 | 52628 | 2436 | - | 2436 | = | 0 | * | (30 | / | 118) | = | 0.0 | ||
4 | 52631 | 2467 | - | 2485 | = | -18 | * | (36 | / | 118) | = | -5.49152541 | ||
5 | 52632 | 2482 | - | 2528 | = | -46 | * | (28 | / | 118) | = | -10.91525421 | ||
6 | 52635 | 2518 | - | 2552 | = | -34 | * | (24 | / | 118) | = | -6.91525422 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chester Elementary | -23 |
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 | 52810 | 2442 | - | 2436 | = | 6 | * | (27 | / | 110) | = | 1.47272727 | ||
4 | 52811 | 2494 | - | 2485 | = | 9 | * | (31 | / | 110) | = | 2.53636363 | ||
5 | 52812 | 2512 | - | 2528 | = | -16 | * | (25 | / | 110) | = | -3.63636363 | ||
6 | 52813 | 2506 | - | 2552 | = | -46 | * | (27 | / | 110) | = | -11.29090907 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chester Elementary | -11 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-34 | -16 | -28 | -23 | -11 | -112.0 | -22.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -49.4
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 | 50% | 64% | 52% | 63% | 54% |
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 Elementary math proficiency
Zero+ meets standard.

36% less $meal

53% less $meal

41% less $meal

56% less $meal

46% 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.
Elementary School (Public) schools in Plumas Unified (4)
C. Roy Carmichael Elementary | Chester Elementary | Greenville Elementary |
Quincy Elementary |