Independent Study, Sojourner Truth (Data source)
Source data for Independent Study, Sojourner Truth
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 | 99304 | 0 | - | 2436 | = | * | (2 | / | 23) | = | ||||
6 | 99307 | 0 | - | 2552 | = | * | (4 | / | 23) | = | ||||
7 | 99308 | 0 | - | 2567 | = | * | (3 | / | 23) | = | ||||
8 | 99311 | 0 | - | 2586 | = | * | (5 | / | 23) | = | ||||
11 | 99312 | 2487 | - | 2628 | = | -141 | * | (9 | / | 23) | = | -55.17391293 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Independent Study, Sojourner Truth | -55 |
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 | 2812 | 0 | - | 2436 | = | * | (1 | / | 63) | = | ||||
6 | 2814 | 0 | - | 2552 | = | * | (3 | / | 63) | = | ||||
7 | 2815 | 0 | - | 2567 | = | * | (6 | / | 63) | = | ||||
8 | 2817 | 0 | - | 2586 | = | * | (4 | / | 63) | = | ||||
11 | 2820 | 2461 | - | 2628 | = | -167 | * | (49 | / | 63) | = | -129.88888876 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Independent Study, Sojourner Truth | -130 |
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 |
||
6 | 2887 | 0 | - | 2552 | = | * | (0 | / | 35) | = | ||||
7 | 2889 | 0 | - | 2567 | = | * | (0 | / | 35) | = | ||||
8 | 2892 | 0 | - | 2586 | = | * | (0 | / | 35) | = | ||||
11 | 2893 | 2489 | - | 2628 | = | -139 | * | (24 | / | 35) | = | -95.31428562 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Independent Study, Sojourner Truth | -95 |
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 | 2888 | 0 | - | 2436 | = | * | (0 | / | 21) | = | ||||
6 | 2889 | 0 | - | 2552 | = | * | (0 | / | 21) | = | ||||
7 | 2892 | 0 | - | 2567 | = | * | (0 | / | 21) | = | ||||
8 | 2893 | 0 | - | 2586 | = | * | (0 | / | 21) | = | ||||
11 | 2896 | 0 | - | 2628 | = | * | (0 | / | 21) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Independent Study, Sojourner Truth |
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 |
||
4 | 2913 | 0 | - | 2485 | = | * | (0 | / | 37) | = | ||||
6 | 2914 | 0 | - | 2552 | = | * | (0 | / | 37) | = | ||||
7 | 2915 | 0 | - | 2567 | = | * | (6 | / | 37) | = | ||||
8 | 2916 | 0 | - | 2586 | = | * | (0 | / | 37) | = | ||||
11 | 2917 | 2449 | - | 2628 | = | -179 | * | (26 | / | 37) | = | -125.78378366 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Independent Study, Sojourner Truth | -126 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-55 | -130 | -95 | -126 | -406.0 | -81.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -203.5
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 | 72% | 69% | 74% | 76% | 65% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oakland Unified school district | County of Alameda
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.
Independent Study, Sojourner Truth math proficiency
Zero+ meets standard.

68% less $meal

66% 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.
Opportunity Schools schools in Oakland Unified (1)
Independent Study, Sojourner Truth |