Valley View Elementary (Data source)
Source data for Valley View 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 | 1630124 | 2469 | - | 2436 | = | 33 | * | (68 | / | 284) | = | 7.90140843 | ||
4 | 1630126 | 2485 | - | 2485 | = | 0 | * | (60 | / | 284) | = | 0.0 | ||
5 | 1630127 | 2532 | - | 2528 | = | 4 | * | (87 | / | 284) | = | 1.22535211 | ||
6 | 1630130 | 2627 | - | 2552 | = | 75 | * | (69 | / | 284) | = | 18.22183095 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Valley View Elementary | 27 |
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 | 50952 | 2506 | - | 2436 | = | 70 | * | (52 | / | 270) | = | 13.48148144 | ||
4 | 50954 | 2527 | - | 2485 | = | 42 | * | (64 | / | 270) | = | 9.95555555 | ||
5 | 50956 | 2560 | - | 2528 | = | 32 | * | (62 | / | 270) | = | 7.34814813 | ||
6 | 50959 | 2636 | - | 2552 | = | 84 | * | (92 | / | 270) | = | 28.62222216 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Valley View Elementary | 59 |
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 | 52412 | 2490 | - | 2436 | = | 54 | * | (52 | / | 254) | = | 11.05511809 | ||
4 | 52415 | 2534 | - | 2485 | = | 49 | * | (64 | / | 254) | = | 12.34645665 | ||
5 | 52416 | 2575 | - | 2528 | = | 47 | * | (63 | / | 254) | = | 11.65748031 | ||
6 | 52418 | 2620 | - | 2552 | = | 68 | * | (75 | / | 254) | = | 20.07874012 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Valley View Elementary | 55 |
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 | 52478 | 2496 | - | 2436 | = | 60 | * | (71 | / | 292) | = | 14.58904104 | ||
4 | 52481 | 2542 | - | 2485 | = | 57 | * | (62 | / | 292) | = | 12.10273972 | ||
5 | 52482 | 2552 | - | 2528 | = | 24 | * | (96 | / | 292) | = | 7.89041095 | ||
6 | 52485 | 2633 | - | 2552 | = | 81 | * | (63 | / | 292) | = | 17.47602734 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Valley View Elementary | 52 |
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 | 52654 | 2501 | - | 2436 | = | 65 | * | (73 | / | 318) | = | 14.92138362 | ||
4 | 52655 | 2539 | - | 2485 | = | 54 | * | (85 | / | 318) | = | 14.43396224 | ||
5 | 52656 | 2584 | - | 2528 | = | 56 | * | (64 | / | 318) | = | 11.27044022 | ||
6 | 52657 | 2621 | - | 2552 | = | 69 | * | (96 | / | 318) | = | 20.83018865 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Valley View Elementary | 61 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
27 | 59 | 55 | 52 | 61 | 254.0 | 50.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 89.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 11.8
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 | 7% | 8% | 6% | 7% | 8% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rocklin Unified school district | County of Placer
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.
Valley View Elementary math proficiency
Zero+ meets standard.
5% less $meal
6% less $meal
3% less $meal
7% less $meal
8% 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.