Rancho Tehama Elementary (Data source)
Source data for Rancho Tehama 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 | 3004231 | 2360 | - | 2436 | = | -76 | * | (20 | / | 58) | = | -26.20689654 | ||
4 | 3004232 | 0 | - | 2485 | = | * | (10 | / | 58) | = | ||||
5 | 3004235 | 2407 | - | 2528 | = | -121 | * | (11 | / | 58) | = | -22.94827581 | ||
6 | 3004236 | 2405 | - | 2552 | = | -147 | * | (17 | / | 58) | = | -43.08620686 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rancho Tehama Elementary | -92 |
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 | 92010 | 2429 | - | 2436 | = | -7 | * | (16 | / | 55) | = | -2.03636363 | ||
4 | 92011 | 2400 | - | 2485 | = | -85 | * | (16 | / | 55) | = | -24.72727265 | ||
5 | 92014 | 2433 | - | 2528 | = | -95 | * | (13 | / | 55) | = | -22.45454542 | ||
6 | 92016 | 0 | - | 2552 | = | * | (10 | / | 55) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rancho Tehama Elementary | -49 |
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 | 94797 | 2422 | - | 2436 | = | -14 | * | (18 | / | 45) | = | -5.6 | ||
4 | 94800 | 2491 | - | 2485 | = | 6 | * | (18 | / | 45) | = | 2.4 | ||
5 | 94802 | 0 | - | 2528 | = | * | (0 | / | 45) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rancho Tehama Elementary | -3 |
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 | 94986 | 2395 | - | 2436 | = | -41 | * | (14 | / | 43) | = | -13.3488372 | ||
4 | 94987 | 2472 | - | 2485 | = | -13 | * | (16 | / | 43) | = | -4.8372093 | ||
5 | 94990 | 2501 | - | 2528 | = | -27 | * | (13 | / | 43) | = | -8.16279069 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rancho Tehama Elementary | -26 |
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 | 95630 | 2379 | - | 2436 | = | -57 | * | (24 | / | 50) | = | -27.36 | ||
4 | 95631 | 2447 | - | 2485 | = | -38 | * | (14 | / | 50) | = | -10.64 | ||
5 | 95632 | 2478 | - | 2528 | = | -50 | * | (12 | / | 50) | = | -12.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rancho Tehama Elementary | -50 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-92 | -49 | -3 | -26 | -50 | -220.0 | -44.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 55.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -143.0
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 | 92% | 83% | 97% | 96% | 93% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corning Union Elementary school district County of Tehama
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Rancho Tehama Elementary math proficiency
Zero+ meets standard.

84% less $meal

80% less $meal

85% less $meal

94% less $meal

90% 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 Corning Union Elementary (4)
Olive View Elementary | Rancho Tehama Elementary | West Street Elementary |
Woodson Elementary |