Calpella Elementary (Data source)
Source data for Calpella 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 | 1283807 | 2353 | - | 2436 | = | -83 | * | (74 | / | 186) | = | -33.02150535 | ||
| 4 | 1283810 | 2422 | - | 2485 | = | -63 | * | (112 | / | 186) | = | -37.93548383 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Calpella Elementary | -71 | ||||||||||||
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 | 40188 | 2402 | - | 2436 | = | -34 | * | (79 | / | 161) | = | -16.68322979 | ||
| 4 | 40191 | 2450 | - | 2485 | = | -35 | * | (82 | / | 161) | = | -17.82608695 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Calpella Elementary | -35 | ||||||||||||
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 | 41199 | 2394 | - | 2436 | = | -42 | * | (69 | / | 151) | = | -19.19205296 | ||
| 4 | 41201 | 2465 | - | 2485 | = | -20 | * | (82 | / | 151) | = | -10.86092714 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Calpella Elementary | -30 | ||||||||||||
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 | 41228 | 2409 | - | 2436 | = | -27 | * | (90 | / | 163) | = | -14.90797545 | ||
| 4 | 41231 | 2446 | - | 2485 | = | -39 | * | (73 | / | 163) | = | -17.46625764 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Calpella Elementary | -32 | ||||||||||||
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 | 41371 | 2423 | - | 2436 | = | -13 | * | (100 | / | 191) | = | -6.80628272 | ||
| 4 | 41372 | 2440 | - | 2485 | = | -45 | * | (91 | / | 191) | = | -21.43979055 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Calpella Elementary | -28 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -71 | -35 | -30 | -32 | -28 | -196.0 | -39.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 11.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.2
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 | 82% | 76% | 76% | 75% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ukiah Unified school district | County of Mendocino
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.
Calpella Elementary math proficiency
Zero+ meets standard.
70% less $meal
63% less $meal
62% less $meal
70% less $meal
73% 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 Ukiah Unified (6)
| Calpella Elementary | Frank Zeek Elementary | Grace Hudson Elementary |
| Nokomis Elementary | Oak Manor Elementary | Yokayo Elementary |