Big Valley Elementary (Data source)
Source data for Big Valley 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 | 587487 | 0 | - | 2436 | = | * | (8 | / | 41) | = | ||||
| 4 | 587490 | 2357 | - | 2485 | = | -128 | * | (13 | / | 41) | = | -40.58536576 | ||
| 5 | 587491 | 2368 | - | 2528 | = | -160 | * | (12 | / | 41) | = | -46.82926816 | ||
| 6 | 587494 | 0 | - | 2552 | = | * | (8 | / | 41) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Big Valley Elementary | -87 | ||||||||||||
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 | 18765 | 2385 | - | 2436 | = | -51 | * | (13 | / | 44) | = | -15.0681818 | ||
| 4 | 18767 | 0 | - | 2485 | = | * | (7 | / | 44) | = | ||||
| 5 | 18769 | 2402 | - | 2528 | = | -126 | * | (12 | / | 44) | = | -34.36363627 | ||
| 6 | 18770 | 2412 | - | 2552 | = | -140 | * | (12 | / | 44) | = | -38.18181808 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Big Valley Elementary | -88 | ||||||||||||
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 | 19087 | 0 | - | 2436 | = | * | (0 | / | 36) | = | ||||
| 4 | 19089 | 2407 | - | 2485 | = | -78 | * | (12 | / | 36) | = | -25.99999997 | ||
| 5 | 19091 | 0 | - | 2528 | = | * | (0 | / | 36) | = | ||||
| 6 | 19094 | 2459 | - | 2552 | = | -93 | * | (11 | / | 36) | = | -28.41666662 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Big Valley Elementary | -54 | ||||||||||||
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 | 19089 | 0 | - | 2436 | = | * | (0 | / | 28) | = | ||||
| 4 | 19092 | 0 | - | 2485 | = | * | (0 | / | 28) | = | ||||
| 5 | 19093 | 0 | - | 2528 | = | * | (0 | / | 28) | = | ||||
| 6 | 19096 | 0 | - | 2552 | = | * | (0 | / | 28) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Big Valley Elementary | |||||||||||||
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 | 19239 | 2403 | - | 2436 | = | -33 | * | (11 | / | 37) | = | -9.8108108 | ||
| 4 | 19240 | 2463 | - | 2485 | = | -22 | * | (11 | / | 37) | = | -6.54054053 | ||
| 5 | 19241 | 0 | - | 2528 | = | * | (4 | / | 37) | = | ||||
| 6 | 19242 | 2508 | - | 2552 | = | -44 | * | (11 | / | 37) | = | -13.08108107 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Big Valley Elementary | -29 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -87 | -88 | -54 | -29 | -258.0 | -51.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -148.5
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 | 76% | 65% | 64% | 72% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Big Valley Joint Unified school district | County of Lassen
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.
Big Valley Elementary math proficiency
Zero+ meets standard.
64% less $meal
53% less $meal
49% less $meal
59% 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 Big Valley Joint Unified (1)
| Big Valley Elementary |